79397800 has 48 divisors (see below), whose sum is σ = 186863040. Its totient is φ = 31369920.

The previous prime is 79397797. The next prime is 79397807. The reversal of 79397800 is 879397.

It is not an unprimeable number, because it can be changed into a prime (79397807) 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 11 ways as a sum of consecutive naturals, for example, 14209 + ... + 18991.

It is an arithmetic number, because the mean of its divisors is an integer number (3892980).

Almost surely, 2^79397800 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 79397800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93431520).

79397800 is an abundant number, since it is smaller than the sum of its proper divisors (107465240).

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

79397800 is a wasteful number, since it uses less digits than its factorization.

79397800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882 (or 4873 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 79397800 is about 8910.5443155848. The cubic root of 79397800 is about 429.8030466337.

The spelling of 79397800 in words is "seventy-nine million, three hundred ninety-seven thousand, eight hundred".