979870155264 has 1280 divisors, whose sum is σ = 3926748672000. Its totient is φ = 234373201920.

The previous prime is 979870155241. The next prime is 979870155281. The reversal of 979870155264 is 462551078979.

979870155264 is a `hidden beast` number, since 9 + 7 + 9 + 8 + 70 + 1 + 552 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2338592047 + ... + 2338592465.

It is an arithmetic number, because the mean of its divisors is an integer number (3067772400).

Almost surely, 2^979870155264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 979870155264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1963374336000).

979870155264 is an abundant number, since it is smaller than the sum of its proper divisors (2946878516736).

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

979870155264 is a wasteful number, since it uses less digits than its factorization.

979870155264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 63.

The spelling of 979870155264 in words is "nine hundred seventy-nine billion, eight hundred seventy million, one hundred fifty-five thousand, two hundred sixty-four".