79996723200 has 1344 divisors, whose sum is σ = 333489726720. Its totient is φ = 18685624320.

The previous prime is 79996723159. The next prime is 79996723211. The reversal of 79996723200 is 232769997.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2162073582 + ... + 2162073618.

Almost surely, 2^79996723200 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 79996723200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166744863360).

79996723200 is an abundant number, since it is smaller than the sum of its proper divisors (253493003520).

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

79996723200 is a wasteful number, since it uses less digits than its factorization.

79996723200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The spelling of 79996723200 in words is "seventy-nine billion, nine hundred ninety-six million, seven hundred twenty-three thousand, two hundred".