79682825 has 18 divisors (see below), whose sum is σ = 104861034. Its totient is φ = 59857920.

The previous prime is 79682821. The next prime is 79682831. The reversal of 79682825 is 52828697.

It can be written as a sum of positive squares in 9 ways, for example, as 43454464 + 36228361 = 6592^2 + 6019^2 .

It is not a de Polignac number, because 79682825 - 2² = 79682821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 79682825.

It is not an unprimeable number, because it can be changed into a prime (79682821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 183809 + ... + 184241.

It is an arithmetic number, because the mean of its divisors is an integer number (5825613).

Almost surely, 2^79682825 is an apocalyptic number.

It is an amenable number.

79682825 is a deficient number, since it is larger than the sum of its proper divisors (25178209).

79682825 is an equidigital number, since it uses as much as digits as its factorization.

79682825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 455 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 79682825 is about 8926.5236794622. The cubic root of 79682825 is about 430.3167397695.

The spelling of 79682825 in words is "seventy-nine million, six hundred eighty-two thousand, eight hundred twenty-five".