76691406775 has 12 divisors (see below), whose sum is σ = 96891635592. Its totient is φ = 60195518240.

The previous prime is 76691406763. The next prime is 76691406787. The reversal of 76691406775 is 57760419667.

It is an interprime number because it is at equal distance from previous prime (76691406763) and next prime (76691406787).

It is not a de Polignac number, because 76691406775 - 2²⁷ = 76557189047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28938829 + ... + 28941478.

It is an arithmetic number, because the mean of its divisors is an integer number (8074302966).

Almost surely, 2^76691406775 is an apocalyptic number.

76691406775 is a deficient number, since it is larger than the sum of its proper divisors (20200228817).

76691406775 is a wasteful number, since it uses less digits than its factorization.

76691406775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57880370 (or 57880365 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 58.

The spelling of 76691406775 in words is "seventy-six billion, six hundred ninety-one million, four hundred six thousand, seven hundred seventy-five".