79579797252 has 12 divisors (see below), whose sum is σ = 185686193616. Its totient is φ = 26526599080.

The previous prime is 79579797233. The next prime is 79579797287. The reversal of 79579797252 is 25279797597.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3315824874 + ... + 3315824897.

It is an arithmetic number, because the mean of its divisors is an integer number (15473849468).

Almost surely, 2^79579797252 is an apocalyptic number.

It is an amenable number.

79579797252 is an abundant number, since it is smaller than the sum of its proper divisors (106106396364).

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

79579797252 is a wasteful number, since it uses less digits than its factorization.

79579797252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6631649778 (or 6631649776 counting only the distinct ones).

The product of its digits is 175032900, while the sum is 69.

The spelling of 79579797252 in words is "seventy-nine billion, five hundred seventy-nine million, seven hundred ninety-seven thousand, two hundred fifty-two".