76931047528868 has 24 divisors (see below), whose sum is σ = 147362246155320. Its totient is φ = 34924561297920.

The previous prime is 76931047528799. The next prime is 76931047528987. The reversal of 76931047528868 is 86882574013967.

76931047528868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1756043724964 + 75175003803904 = 1325158^2 + 8670352^2 .

It is a super-2 number, since 2×76931047528868² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76931047528795 and 76931047528804.

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, 12126580613 + ... + 12126586956.

It is an arithmetic number, because the mean of its divisors is an integer number (6140093589805).

It is a 1-persistent number, because it is pandigital, but 2⋅76931047528868 = 153862095057736 is not.

Almost surely, 2^{76931047528868} is an apocalyptic number.

It is an amenable number.

76931047528868 is a deficient number, since it is larger than the sum of its proper divisors (70431198626452).

76931047528868 is a wasteful number, since it uses less digits than its factorization.

76931047528868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24253167647 (or 24253167645 counting only the distinct ones).

The product of its (nonzero) digits is 975421440, while the sum is 74.

The spelling of 76931047528868 in words is "seventy-six trillion, nine hundred thirty-one billion, forty-seven million, five hundred twenty-eight thousand, eight hundred sixty-eight".