79042776225 has 96 divisors (see below), whose sum is σ = 154324598784. Its totient is φ = 34933420800.

The previous prime is 79042776191. The next prime is 79042776247. The reversal of 79042776225 is 52267724097.

It is not a de Polignac number, because 79042776225 - 2¹¹ = 79042774177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23157619 + ... + 23161031.

It is an arithmetic number, because the mean of its divisors is an integer number (1607547904).

Almost surely, 2^79042776225 is an apocalyptic number.

79042776225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

79042776225 is a deficient number, since it is larger than the sum of its proper divisors (75281822559).

79042776225 is a wasteful number, since it uses less digits than its factorization.

79042776225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887 (or 4882 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 79042776225 in words is "seventy-nine billion, forty-two million, seven hundred seventy-six thousand, two hundred twenty-five".