79009640976 has 160 divisors (see below), whose sum is σ = 244740653056. Its totient is φ = 21487680000.

The previous prime is 79009640959. The next prime is 79009640981. The reversal of 79009640976 is 67904690097.

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, 573201 + ... + 697551.

Almost surely, 2^79009640976 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 79009640976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122370326528).

79009640976 is an abundant number, since it is smaller than the sum of its proper divisors (165731012080).

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

79009640976 is a wasteful number, since it uses less digits than its factorization.

79009640976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124461 (or 124455 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 57.

The spelling of 79009640976 in words is "seventy-nine billion, nine million, six hundred forty thousand, nine hundred seventy-six".