79911936 has 264 divisors, whose sum is σ = 268238880. Its totient is φ = 22708224.

The previous prime is 79911919. The next prime is 79911947. The reversal of 79911936 is 63911997.

It is a junction number, because it is equal to n+sod(n) for n = 79911891 and 79911900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2755570 + ... + 2755598.

Almost surely, 2^79911936 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 79911936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134119440).

79911936 is an abundant number, since it is smaller than the sum of its proper divisors (188326944).

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

79911936 is a wasteful number, since it uses less digits than its factorization.

79911936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 70 counting only the distinct ones).

The product of its digits is 91854, while the sum is 45.

The square root of 79911936 is about 8939.3476272041. The cubic root of 79911936 is about 430.7287731758.

The spelling of 79911936 in words is "seventy-nine million, nine hundred eleven thousand, nine hundred thirty-six".