82907459864 has 32 divisors (see below), whose sum is σ = 162906513120. Its totient is φ = 39481195776.

The previous prime is 82907459779. The next prime is 82907459891. The reversal of 82907459864 is 46895470928.

It is a super-2 number, since 2×82907459864² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82907459797 and 82907459806.

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, 924047 + ... + 1009790.

It is an arithmetic number, because the mean of its divisors is an integer number (5090828535).

Almost surely, 2^82907459864 is an apocalyptic number.

It is an amenable number.

82907459864 is a deficient number, since it is larger than the sum of its proper divisors (79999053256).

82907459864 is a wasteful number, since it uses less digits than its factorization.

82907459864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934099 (or 1934095 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 82907459864 in words is "eighty-two billion, nine hundred seven million, four hundred fifty-nine thousand, eight hundred sixty-four".