79899572 has 24 divisors (see below), whose sum is σ = 142833600. Its totient is φ = 39099456.

The previous prime is 79899571. The next prime is 79899583. The reversal of 79899572 is 27599897.

79899572 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

79899572 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79899571) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35579 + ... + 37757.

It is an arithmetic number, because the mean of its divisors is an integer number (5951400).

Almost surely, 2^79899572 is an apocalyptic number.

It is an amenable number.

79899572 is a deficient number, since it is larger than the sum of its proper divisors (62934028).

79899572 is a wasteful number, since it uses less digits than its factorization.

79899572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375 (or 2373 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 56.

The square root of 79899572 is about 8938.6560511075. The cubic root of 79899572 is about 430.7065578660.

The spelling of 79899572 in words is "seventy-nine million, eight hundred ninety-nine thousand, five hundred seventy-two".