79443158700 has 54 divisors (see below), whose sum is σ = 229869665004. Its totient is φ = 21183540480.

The previous prime is 79443158681. The next prime is 79443158713. The reversal of 79443158700 is 785134497.

It is a happy number.

It is a super-2 number, since 2×79443158700² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79443158700.

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, 4873764 + ... + 4890036.

Almost surely, 2^79443158700 is an apocalyptic number.

It is an amenable number.

79443158700 is an abundant number, since it is smaller than the sum of its proper divisors (150426506304).

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

79443158700 is an equidigital number, since it uses as much as digits as its factorization.

79443158700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32563 (or 16283 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

Multiplying 79443158700 by its sum of digits (48), we get a square (3813271617600 = 1952760²).

The spelling of 79443158700 in words is "seventy-nine billion, four hundred forty-three million, one hundred fifty-eight thousand, seven hundred".