79512552 has 96 divisors (see below), whose sum is σ = 249350400. Its totient is φ = 22419072.

The previous prime is 79512539. The next prime is 79512581. The reversal of 79512552 is 25521597.

79512552 is a `hidden beast` number, since 7 + 95 + 12 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38818 + ... + 40814.

It is an arithmetic number, because the mean of its divisors is an integer number (2597400).

Almost surely, 2^79512552 is an apocalyptic number.

79512552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79512552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124675200).

79512552 is an abundant number, since it is smaller than the sum of its proper divisors (169837848).

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

79512552 is a wasteful number, since it uses less digits than its factorization.

79512552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095 (or 2088 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 79512552 is about 8916.9811034901. The cubic root of 79512552 is about 430.0100087809.

The spelling of 79512552 in words is "seventy-nine million, five hundred twelve thousand, five hundred fifty-two".