79572511396 has 27 divisors (see below), whose sum is σ = 161994938049. Its totient is φ = 34100812368.

The previous prime is 79572511373. The next prime is 79572511441. The reversal of 79572511396 is 69311527597.

The square root of 79572511396 is 282086.

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., 36524560996 + 43047950400 = 191114^2 + 207480^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3939130 + ... + 3959278.

Almost surely, 2^79572511396 is an apocalyptic number.

79572511396 is the 282086-th square number.

It is an amenable number.

79572511396 is an abundant number, since it is smaller than the sum of its proper divisors (82422426653).

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

79572511396 is an frugal number, since it uses more digits than its factorization.

79572511396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40316 (or 20158 counting only the distinct ones).

The product of its digits is 3572100, while the sum is 55.

The spelling of 79572511396 in words is "seventy-nine billion, five hundred seventy-two million, five hundred eleven thousand, three hundred ninety-six".