79805712 has 60 divisors (see below), whose sum is σ = 239831376. Its totient is φ = 22800960.

The previous prime is 79805689. The next prime is 79805723. The reversal of 79805712 is 21750897.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14614 + ... + 19317.

Almost surely, 2^79805712 is an apocalyptic number.

It is an amenable number.

79805712 is an abundant number, since it is smaller than the sum of its proper divisors (160025664).

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

79805712 is a wasteful number, since it uses less digits than its factorization.

79805712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33956 (or 33943 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 79805712 is about 8933.4042783253. The cubic root of 79805712 is about 430.5378379063.

The spelling of 79805712 in words is "seventy-nine million, eight hundred five thousand, seven hundred twelve".