79457204480 has 144 divisors (see below), whose sum is σ = 192476195184. Its totient is φ = 31425822720.

The previous prime is 79457204467. The next prime is 79457204507. The reversal of 79457204480 is 8440275497.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 21218000896 + 58239203584 = 145664^2 + 241328^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44713352 + ... + 44715128.

Almost surely, 2^79457204480 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 79457204480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96238097592).

79457204480 is an abundant number, since it is smaller than the sum of its proper divisors (113018990704).

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

79457204480 is a wasteful number, since it uses less digits than its factorization.

79457204480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 79457204480 in words is "seventy-nine billion, four hundred fifty-seven million, two hundred four thousand, four hundred eighty".