79696317888 has 168 divisors, whose sum is σ = 249593160960. Its totient is φ = 24112488960.

The previous prime is 79696317881. The next prime is 79696317901. The reversal of 79696317888 is 88871369697.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79696317881) 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, 4165881 + ... + 4184967.

Almost surely, 2^79696317888 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 79696317888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124796580480).

79696317888 is an abundant number, since it is smaller than the sum of its proper divisors (169896843072).

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

79696317888 is a wasteful number, since it uses less digits than its factorization.

79696317888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19775 (or 19762 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 72.

The spelling of 79696317888 in words is "seventy-nine billion, six hundred ninety-six million, three hundred seventeen thousand, eight hundred eighty-eight".