A recipient of the 'Padma Vibhushan', Murthy authored over 50 books on philosophy, including the magnum opus 'Reason and Rationality in the Adyatha Vedanta'.
Murthy, who hailed from Sangam Jagarlamudi in Guntur district, was a former vice-president of the University Grants Commission and also an ex-vice-chancellor of the Sri Venkateswara University, in Tirupati.
In recognition of his erudition and eminence, Acharya Nagarjuna University started the Kotha Sachidananda Murthy Centre for Studies in Afro-Asian Philosophy.
Andhra Pradesh Chief Minister N Kiran Kumar Reddy expressed grief over the death of Murthy and said, in his death, we have lost a great scholar, philosopher and writer.
He also conveyed deep condolences to the bereaved family members.
Condoling his death, Telugu Desam Party president N Chandrababu Naidu said, "Murthy's death is a great loss to the field of academics."
Communist Party of India (Marxist) politburo member B V Raghavulu also expressed his grief over the death of the academician.
Chandrababu and Raghavulu offered their sympathies to the bereaved family.