79680559680 has 448 divisors, whose sum is σ = 301272122880. Its totient is φ = 19773186048.

The previous prime is 79680559661. The next prime is 79680559697. The reversal of 79680559680 is 8695508697.

79680559680 is a `hidden beast` number, since 79 + 6 + 8 + 0 + 559 + 6 + 8 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7347222 + ... + 7358058.

Almost surely, 2^79680559680 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 79680559680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150636061440).

79680559680 is an abundant number, since it is smaller than the sum of its proper divisors (221591563200).

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

79680559680 is a wasteful number, since it uses less digits than its factorization.

79680559680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10923 (or 10907 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 79680559680 in words is "seventy-nine billion, six hundred eighty million, five hundred fifty-nine thousand, six hundred eighty".