79989089280 has 176 divisors, whose sum is σ = 256629344064. Its totient is φ = 21264629760.

The previous prime is 79989089263. The next prime is 79989089291. The reversal of 79989089280 is 8298098997.

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, 5076294 + ... + 5092026.

Almost surely, 2^79989089280 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 79989089280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128314672032).

79989089280 is an abundant number, since it is smaller than the sum of its proper divisors (176640254784).

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

79989089280 is a wasteful number, since it uses less digits than its factorization.

79989089280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16092 (or 16074 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 69.

The spelling of 79989089280 in words is "seventy-nine billion, nine hundred eighty-nine million, eighty-nine thousand, two hundred eighty".