9979078825024 has 63 divisors (see below), whose sum is σ = 20299103590053. Its totient is φ = 4867337894400.

The previous prime is 9979078825021. The next prime is 9979078825043. The reversal of 9979078825024 is 4205288709799.

The square root of 9979078825024 is 3158968.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 480847938624 + 9498230886400 = 693432^2 + 3081920^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9979078825021) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1036136689 + ... + 1036146319.

Almost surely, 2^{9979078825024} is an apocalyptic number.

9979078825024 is the 3158968-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9979078825024

9979078825024 is an abundant number, since it is smaller than the sum of its proper divisors (10320024765029).

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

9979078825024 is an frugal number, since it uses more digits than its factorization.

9979078825024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19356 (or 9674 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 70.

The spelling of 9979078825024 in words is "nine trillion, nine hundred seventy-nine billion, seventy-eight million, eight hundred twenty-five thousand, twenty-four".