77236696975 has 12 divisors (see below), whose sum is σ = 95778372520. Its totient is φ = 61786216800.

The previous prime is 77236696969. The next prime is 77236696987. The reversal of 77236696975 is 57969663277.

It is not a de Polignac number, because 77236696975 - 2³ = 77236696967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77236696975.

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, 509485 + ... + 643465.

Almost surely, 2^77236696975 is an apocalyptic number.

77236696975 is a deficient number, since it is larger than the sum of its proper divisors (18541675545).

77236696975 is a wasteful number, since it uses less digits than its factorization.

77236696975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157050 (or 157045 counting only the distinct ones).

The product of its digits is 180033840, while the sum is 67.

The spelling of 77236696975 in words is "seventy-seven billion, two hundred thirty-six million, six hundred ninety-six thousand, nine hundred seventy-five".