79086625 has 16 divisors (see below), whose sum is σ = 102108240. Its totient is φ = 61084800.

The previous prime is 79086613. The next prime is 79086641. The reversal of 79086625 is 52668097.

It can be written as a sum of positive squares in 8 ways, for example, as 18386944 + 60699681 = 4288^2 + 7791^2 .

It is not a de Polignac number, because 79086625 - 2¹⁵ = 79053857 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 7284 + ... + 14533.

It is an arithmetic number, because the mean of its divisors is an integer number (6381765).

Almost surely, 2^79086625 is an apocalyptic number.

It is an amenable number.

79086625 is a deficient number, since it is larger than the sum of its proper divisors (23021615).

79086625 is a wasteful number, since it uses less digits than its factorization.

79086625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21861 (or 21851 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 79086625 is about 8893.0661191740. The cubic root of 79086625 is about 429.2408183474.

The spelling of 79086625 in words is "seventy-nine million, eighty-six thousand, six hundred twenty-five".