79529590492 has 24 divisors (see below), whose sum is σ = 152146229760. Its totient is φ = 36074334960.

The previous prime is 79529590487. The next prime is 79529590493. The reversal of 79529590492 is 29409592597.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 79529590492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79529590493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1865658 + ... + 1907809.

It is an arithmetic number, because the mean of its divisors is an integer number (6339426240).

Almost surely, 2^79529590492 is an apocalyptic number.

It is an amenable number.

79529590492 is a deficient number, since it is larger than the sum of its proper divisors (72616639268).

79529590492 is a wasteful number, since it uses less digits than its factorization.

79529590492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773961 (or 3773959 counting only the distinct ones).

The product of its (nonzero) digits is 18370800, while the sum is 61.

The spelling of 79529590492 in words is "seventy-nine billion, five hundred twenty-nine million, five hundred ninety thousand, four hundred ninety-two".