79708794880 has 416 divisors, whose sum is σ = 238085241408. Its totient is φ = 25165824000.

The previous prime is 79708794859. The next prime is 79708794901. The reversal of 79708794880 is 8849780797.

It is an interprime number because it is at equal distance from previous prime (79708794859) and next prime (79708794901).

It is a tau number, because it is divible by the number of its divisors (416).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49786080 + ... + 49787680.

Almost surely, 2^79708794880 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 79708794880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119042620704).

79708794880 is an abundant number, since it is smaller than the sum of its proper divisors (158376446528).

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

79708794880 is a wasteful number, since it uses less digits than its factorization.

79708794880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 67.

The spelling of 79708794880 in words is "seventy-nine billion, seven hundred eight million, seven hundred ninety-four thousand, eight hundred eighty".