872479564695 has 48 divisors (see below), whose sum is σ = 1604319024672. Its totient is φ = 437112944640.

The previous prime is 872479564669. The next prime is 872479564709. The reversal of 872479564695 is 596465974278.

872479564695 is a `hidden beast` number, since 8 + 7 + 2 + 479 + 5 + 64 + 6 + 95 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-872479564695 is a prime.

It is a super-2 number, since 2×872479564695² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 690246 + ... + 1490435.

It is an arithmetic number, because the mean of its divisors is an integer number (33423313014).

Almost surely, 2^872479564695 is an apocalyptic number.

872479564695 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

872479564695 is a deficient number, since it is larger than the sum of its proper divisors (731839459977).

872479564695 is a wasteful number, since it uses less digits than its factorization.

872479564695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181232 (or 2181229 counting only the distinct ones).

The product of its digits is 914457600, while the sum is 72.

The spelling of 872479564695 in words is "eight hundred seventy-two billion, four hundred seventy-nine million, five hundred sixty-four thousand, six hundred ninety-five".