8658579372972 has 48 divisors (see below), whose sum is σ = 20412955564512. Its totient is φ = 2856253593600.

The previous prime is 8658579372769. The next prime is 8658579372983. The reversal of 8658579372972 is 2792739758568.

It is a super-2 number, since 2×8658579372972² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18359722 + ... + 18825422.

It is an arithmetic number, because the mean of its divisors is an integer number (425269907594).

Almost surely, 2^{8658579372972} is an apocalyptic number.

It is an amenable number.

8658579372972 is an abundant number, since it is smaller than the sum of its proper divisors (11754376191540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8658579372972 is a wasteful number, since it uses less digits than its factorization.

8658579372972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481778 (or 481776 counting only the distinct ones).

The product of its digits is 3200601600, while the sum is 78.

The spelling of 8658579372972 in words is "eight trillion, six hundred fifty-eight billion, five hundred seventy-nine million, three hundred seventy-two thousand, nine hundred seventy-two".