85079725 has 12 divisors (see below), whose sum is σ = 105701940. Its totient is φ = 67932800.

The previous prime is 85079677. The next prime is 85079759. The reversal of 85079725 is 52797058.

It can be written as a sum of positive squares in 6 ways, for example, as 30008484 + 55071241 = 5478^2 + 7421^2 .

It is not a de Polignac number, because 85079725 - 2⁷ = 85079597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11235 + ... + 17215.

It is an arithmetic number, because the mean of its divisors is an integer number (8808495).

Almost surely, 2^85079725 is an apocalyptic number.

It is an amenable number.

85079725 is a deficient number, since it is larger than the sum of its proper divisors (20622215).

85079725 is a wasteful number, since it uses less digits than its factorization.

85079725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560 (or 6555 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 85079725 is about 9223.8671391125. The cubic root of 85079725 is about 439.8203898465.

The spelling of 85079725 in words is "eighty-five million, seventy-nine thousand, seven hundred twenty-five".