79880512 has 28 divisors (see below), whose sum is σ = 158798260. Its totient is φ = 39868416.

The previous prime is 79880509. The next prime is 79880519. The reversal of 79880512 is 21508897.

It can be written as a sum of positive squares in 2 ways, for example, as 42719296 + 37161216 = 6536^2 + 6096^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79880519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63958 + ... + 65194.

Almost surely, 2^79880512 is an apocalyptic number.

It is an amenable number.

79880512 is a deficient number, since it is larger than the sum of its proper divisors (78917748).

79880512 is a wasteful number, since it uses less digits than its factorization.

79880512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258 (or 2248 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 79880512 is about 8937.5898317164. The cubic root of 79880512 is about 430.6723068697.

The spelling of 79880512 in words is "seventy-nine million, eight hundred eighty thousand, five hundred twelve".