76117315816 has 8 divisors (see below), whose sum is σ = 142719967170. Its totient is φ = 38058657904.

The previous prime is 76117315793. The next prime is 76117315831. The reversal of 76117315816 is 61851371167.

It can be written as a sum of positive squares in only one way, i.e., 68462815716 + 7654500100 = 261654^2 + 87490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4757332231 + ... + 4757332246.

Almost surely, 2^76117315816 is an apocalyptic number.

It is an amenable number.

76117315816 is a deficient number, since it is larger than the sum of its proper divisors (66602651354).

76117315816 is a wasteful number, since it uses less digits than its factorization.

76117315816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9514664483 (or 9514664479 counting only the distinct ones).

The product of its digits is 211680, while the sum is 46.

The spelling of 76117315816 in words is "seventy-six billion, one hundred seventeen million, three hundred fifteen thousand, eight hundred sixteen".