79359397264 has 45 divisors (see below), whose sum is σ = 178880094561. Its totient is φ = 34007789760.

The previous prime is 79359397241. The next prime is 79359397279. The reversal of 79359397264 is 46279395397.

It is a happy number.

The square root of 79359397264 is 281708.

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., 45415019664 + 33944377600 = 213108^2 + 184240^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79359397196 and 79359397205.

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, 7882794 + ... + 7892854.

Almost surely, 2^79359397264 is an apocalyptic number.

79359397264 is the 281708-th square number.

It is an amenable number.

79359397264 is an abundant number, since it is smaller than the sum of its proper divisors (99520697297).

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

79359397264 is an frugal number, since it uses more digits than its factorization.

79359397264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20144 (or 10070 counting only the distinct ones).

The product of its digits is 77157360, while the sum is 64.

Multiplying 79359397264 by its sum of digits (64), we get a square (5079001424896 = 2253664²).

The spelling of 79359397264 in words is "seventy-nine billion, three hundred fifty-nine million, three hundred ninety-seven thousand, two hundred sixty-four".