79769712 has 80 divisors (see below), whose sum is σ = 238056192. Its totient is φ = 22748160.

The previous prime is 79769653. The next prime is 79769713. The reversal of 79769712 is 21796797.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79769713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4533 + ... + 13419.

Almost surely, 2^79769712 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 79769712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119028096).

79769712 is an abundant number, since it is smaller than the sum of its proper divisors (158286480).

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

79769712 is a wasteful number, since it uses less digits than its factorization.

79769712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8926 (or 8920 counting only the distinct ones).

The product of its digits is 333396, while the sum is 48.

The square root of 79769712 is about 8931.3891416733. The cubic root of 79769712 is about 430.4730902714.

The spelling of 79769712 in words is "seventy-nine million, seven hundred sixty-nine thousand, seven hundred twelve".