76657992465 has 64 divisors (see below), whose sum is σ = 125945487360. Its totient is φ = 39805259520.

The previous prime is 76657992449. The next prime is 76657992487. The reversal of 76657992465 is 56429975667.

It is not a de Polignac number, because 76657992465 - 2⁴ = 76657992449 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 76657992396 and 76657992405.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25922767 + ... + 25925723.

It is an arithmetic number, because the mean of its divisors is an integer number (1967898240).

Almost surely, 2^76657992465 is an apocalyptic number.

It is an amenable number.

76657992465 is a deficient number, since it is larger than the sum of its proper divisors (49287494895).

76657992465 is a wasteful number, since it uses less digits than its factorization.

76657992465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342.

The product of its digits is 171460800, while the sum is 66.

The spelling of 76657992465 in words is "seventy-six billion, six hundred fifty-seven million, nine hundred ninety-two thousand, four hundred sixty-five".