79464792790656 has 768 divisors, whose sum is σ = 298649362851840. Its totient is φ = 20470326718464.

The previous prime is 79464792790619. The next prime is 79464792790673. The reversal of 79464792790656 is 65609729746497.

79464792790656 is a `hidden beast` number, since 7 + 9 + 4 + 6 + 479 + 2 + 7 + 90 + 6 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 121383501 + ... + 122036403.

It is an arithmetic number, because the mean of its divisors is an integer number (388866357880).

Almost surely, 2^{79464792790656} 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 79464792790656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149324681425920).

79464792790656 is an abundant number, since it is smaller than the sum of its proper divisors (219184570061184).

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

79464792790656 is a wasteful number, since it uses less digits than its factorization.

79464792790656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652995 (or 652971 counting only the distinct ones).

The product of its (nonzero) digits is 8641624320, while the sum is 81.

The spelling of 79464792790656 in words is "seventy-nine trillion, four hundred sixty-four billion, seven hundred ninety-two million, seven hundred ninety thousand, six hundred fifty-six".