80725113 has 16 divisors (see below), whose sum is σ = 136677760. Its totient is φ = 46128528.

The previous prime is 80725103. The next prime is 80725171. The reversal of 80725113 is 31152708.

80725113 is a `hidden beast` number, since 80 + 72 + 511 + 3 = 666.

It is not a de Polignac number, because 80725113 - 2⁴ = 80725097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80725103) 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, 213370 + ... + 213747.

It is an arithmetic number, because the mean of its divisors is an integer number (8542360).

Almost surely, 2^80725113 is an apocalyptic number.

It is an amenable number.

80725113 is a deficient number, since it is larger than the sum of its proper divisors (55952647).

80725113 is a wasteful number, since it uses less digits than its factorization.

80725113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427133 (or 427127 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 80725113 is about 8984.7155213729. The cubic root of 80725113 is about 432.1848649385.

The spelling of 80725113 in words is "eighty million, seven hundred twenty-five thousand, one hundred thirteen".