82657028684 has 12 divisors (see below), whose sum is σ = 149315923008. Its totient is φ = 39995336400.

The previous prime is 82657028627. The next prime is 82657028717. The reversal of 82657028684 is 48682075628.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333294347 + ... + 333294594.

It is an arithmetic number, because the mean of its divisors is an integer number (12442993584).

Almost surely, 2^82657028684 is an apocalyptic number.

It is an amenable number.

82657028684 is a deficient number, since it is larger than the sum of its proper divisors (66658894324).

82657028684 is a wasteful number, since it uses less digits than its factorization.

82657028684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666588976 (or 666588974 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 82657028684 in words is "eighty-two billion, six hundred fifty-seven million, twenty-eight thousand, six hundred eighty-four".