79861325 has 12 divisors (see below), whose sum is σ = 104853780. Its totient is φ = 60130560.

The previous prime is 79861307. The next prime is 79861339. The reversal of 79861325 is 52316897.

It can be written as a sum of positive squares in 6 ways, for example, as 10738729 + 69122596 = 3277^2 + 8314^2 .

It is not a de Polignac number, because 79861325 - 2⁸ = 79861069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93530 + ... + 94379.

It is an arithmetic number, because the mean of its divisors is an integer number (8737815).

Almost surely, 2^79861325 is an apocalyptic number.

It is an amenable number.

79861325 is a deficient number, since it is larger than the sum of its proper divisors (24992455).

79861325 is a wasteful number, since it uses less digits than its factorization.

79861325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187936 (or 187931 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 79861325 is about 8936.5163794400. The cubic root of 79861325 is about 430.6378221498.

The spelling of 79861325 in words is "seventy-nine million, eight hundred sixty-one thousand, three hundred twenty-five".