79812552 has 96 divisors (see below), whose sum is σ = 218387520. Its totient is φ = 24284160.

The previous prime is 79812547. The next prime is 79812563. The reversal of 79812552 is 25521897.

It is a self number, because there is not a number n which added to its sum of digits gives 79812552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256477 + ... + 256787.

It is an arithmetic number, because the mean of its divisors is an integer number (2274870).

Almost surely, 2^79812552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79812552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109193760).

79812552 is an abundant number, since it is smaller than the sum of its proper divisors (138574968).

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

79812552 is a wasteful number, since it uses less digits than its factorization.

79812552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 370 counting only the distinct ones).

The product of its digits is 50400, while the sum is 39.

The square root of 79812552 is about 8933.7871029032. The cubic root of 79812552 is about 430.5501377555.

The spelling of 79812552 in words is "seventy-nine million, eight hundred twelve thousand, five hundred fifty-two".