79793955456 has 64 divisors (see below), whose sum is σ = 212456575200. Its totient is φ = 26534753280.

The previous prime is 79793955419. The next prime is 79793955529. The reversal of 79793955456 is 65455939797.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×79793955456² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85126 + ... + 408453.

Almost surely, 2^79793955456 is an apocalyptic number.

It is an amenable number.

79793955456 is an abundant number, since it is smaller than the sum of its proper divisors (132662619744).

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

79793955456 is a wasteful number, since it uses less digits than its factorization.

79793955456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494017 (or 494005 counting only the distinct ones).

The product of its digits is 321489000, while the sum is 69.

The spelling of 79793955456 in words is "seventy-nine billion, seven hundred ninety-three million, nine hundred fifty-five thousand, four hundred fifty-six".