79007825 has 12 divisors (see below), whose sum is σ = 105506268. Its totient is φ = 58344000.

The previous prime is 79007801. The next prime is 79007869. The reversal of 79007825 is 52870097.

It can be written as a sum of positive squares in 6 ways, for example, as 4892944 + 74114881 = 2212^2 + 8609^2 .

It is not a de Polignac number, because 79007825 - 2⁸ = 79007569 is a prime.

It is a super-2 number, since 2×79007825² = 12484472822461250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 121226 + ... + 121875.

It is an arithmetic number, because the mean of its divisors is an integer number (8792189).

Almost surely, 2^79007825 is an apocalyptic number.

It is an amenable number.

79007825 is a deficient number, since it is larger than the sum of its proper divisors (26498443).

79007825 is a wasteful number, since it uses less digits than its factorization.

79007825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243124 (or 243119 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 79007825 is about 8888.6345970571. The cubic root of 79007825 is about 429.0982092502.

The spelling of 79007825 in words is "seventy-nine million, seven thousand, eight hundred twenty-five".