979520819264 has 28 divisors (see below), whose sum is σ = 2093254829484. Its totient is φ = 452086531584.

The previous prime is 979520819243. The next prime is 979520819297. The reversal of 979520819264 is 462918025979.

It can be written as a sum of positive squares in 2 ways, for example, as 372978918400 + 606541900864 = 610720^2 + 778808^2 .

It is a super-2 number, since 2×979520819264² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 979520819197 and 979520819206.

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, 588653507 + ... + 588655170.

It is an arithmetic number, because the mean of its divisors is an integer number (74759101053).

Almost surely, 2^979520819264 is an apocalyptic number.

It is an amenable number.

979520819264 is an abundant number, since it is smaller than the sum of its proper divisors (1113734010220).

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

979520819264 is a wasteful number, since it uses less digits than its factorization.

979520819264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177308702 (or 1177308692 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 979520819264 in words is "nine hundred seventy-nine billion, five hundred twenty million, eight hundred nineteen thousand, two hundred sixty-four".