76938972788 has 24 divisors (see below), whose sum is σ = 139001097984. Its totient is φ = 37224633600.

The previous prime is 76938972749. The next prime is 76938972809. The reversal of 76938972788 is 88727983967.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413803 + ... + 1467213.

It is an arithmetic number, because the mean of its divisors is an integer number (5791712416).

Almost surely, 2^76938972788 is an apocalyptic number.

It is an amenable number.

76938972788 is a deficient number, since it is larger than the sum of its proper divisors (62062125196).

76938972788 is a wasteful number, since it uses less digits than its factorization.

76938972788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65063 (or 65061 counting only the distinct ones).

The product of its digits is 512096256, while the sum is 74.

The spelling of 76938972788 in words is "seventy-six billion, nine hundred thirty-eight million, nine hundred seventy-two thousand, seven hundred eighty-eight".