79404786560 has 256 divisors, whose sum is σ = 214626931200. Its totient is φ = 27841781760.

The previous prime is 79404786467. The next prime is 79404786589. The reversal of 79404786560 is 6568740497.

It is a junction number, because it is equal to n+sod(n) for n = 79404786496 and 79404786505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22012277 + ... + 22015883.

It is an arithmetic number, because the mean of its divisors is an integer number (838386450).

Almost surely, 2^79404786560 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 79404786560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107313465600).

79404786560 is an abundant number, since it is smaller than the sum of its proper divisors (135222144640).

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

79404786560 is a wasteful number, since it uses less digits than its factorization.

79404786560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749 (or 3737 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 79404786560 in words is "seventy-nine billion, four hundred four million, seven hundred eighty-six thousand, five hundred sixty".