79788600 has 144 divisors (see below), whose sum is σ = 282180600. Its totient is φ = 20148480.

The previous prime is 79788571. The next prime is 79788617. The reversal of 79788600 is 688797.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33034 + ... + 35366.

Almost surely, 2^79788600 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 79788600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141090300).

79788600 is an abundant number, since it is smaller than the sum of its proper divisors (202392000).

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

79788600 is a wasteful number, since it uses less digits than its factorization.

79788600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2362 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 79788600 is about 8932.4464733913. The cubic root of 79788600 is about 430.5070636257.

The spelling of 79788600 in words is "seventy-nine million, seven hundred eighty-eight thousand, six hundred".