79797894696 has 96 divisors (see below), whose sum is σ = 233603435520. Its totient is φ = 24462518400.

The previous prime is 79797894691. The next prime is 79797894697. The reversal of 79797894696 is 69649879797.

It is a happy number.

79797894696 is a `hidden beast` number, since 7 + 9 + 79 + 7 + 89 + 469 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (79797894691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96361 + ... + 410951.

It is an arithmetic number, because the mean of its divisors is an integer number (2433369120).

Almost surely, 2^79797894696 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 79797894696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116801717760).

79797894696 is an abundant number, since it is smaller than the sum of its proper divisors (153805540824).

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

79797894696 is a wasteful number, since it uses less digits than its factorization.

79797894696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314887 (or 314880 counting only the distinct ones).

The product of its digits is 2592487296, while the sum is 81.

The spelling of 79797894696 in words is "seventy-nine billion, seven hundred ninety-seven million, eight hundred ninety-four thousand, six hundred ninety-six".