76693137957 has 16 divisors (see below), whose sum is σ = 118559441280. Its totient is φ = 48905768736.

The previous prime is 76693137953. The next prime is 76693138001. The reversal of 76693137957 is 75973139667.

It is not a de Polignac number, because 76693137957 - 2² = 76693137953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76693137894 and 76693137903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76693137953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61749088 + ... + 61750329.

It is an arithmetic number, because the mean of its divisors is an integer number (7409965080).

Almost surely, 2^76693137957 is an apocalyptic number.

It is an amenable number.

76693137957 is a deficient number, since it is larger than the sum of its proper divisors (41866303323).

76693137957 is a wasteful number, since it uses less digits than its factorization.

76693137957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123499449 (or 123499443 counting only the distinct ones).

The product of its digits is 45008460, while the sum is 63.

The spelling of 76693137957 in words is "seventy-six billion, six hundred ninety-three million, one hundred thirty-seven thousand, nine hundred fifty-seven".