79393091200 has 144 divisors (see below), whose sum is σ = 203128793010. Its totient is φ = 30661120000.

The previous prime is 79393091189. The next prime is 79393091221. The reversal of 79393091200 is 219039397.

It can be written as a sum of positive squares in 9 ways, for example, as 3864860224 + 75528230976 = 62168^2 + 274824^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2676450 + ... + 2705950.

Almost surely, 2^79393091200 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 79393091200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101564396505).

79393091200 is an abundant number, since it is smaller than the sum of its proper divisors (123735701810).

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

79393091200 is a wasteful number, since it uses less digits than its factorization.

79393091200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29583 (or 29537 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 43.

The spelling of 79393091200 in words is "seventy-nine billion, three hundred ninety-three million, ninety-one thousand, two hundred".