79706395571904 has 672 divisors, whose sum is σ = 243695740354560. Its totient is φ = 24856274386944.

The previous prime is 79706395571879. The next prime is 79706395571923. The reversal of 79706395571904 is 40917559360797.

79706395571904 is a `hidden beast` number, since 7 + 9 + 7 + 0 + 63 + 9 + 557 + 1 + 9 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 72924423582 + ... + 72924424674.

Almost surely, 2^{79706395571904} 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 79706395571904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121847870177280).

79706395571904 is an abundant number, since it is smaller than the sum of its proper divisors (163989344782656).

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

79706395571904 is a wasteful number, since it uses less digits than its factorization.

79706395571904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 450084600, while the sum is 72.

The spelling of 79706395571904 in words is "seventy-nine trillion, seven hundred six billion, three hundred ninety-five million, five hundred seventy-one thousand, nine hundred four".