85916625 has 32 divisors (see below), whose sum is σ = 143814528. Its totient is φ = 45550400.

The previous prime is 85916591. The next prime is 85916639. The reversal of 85916625 is 52661958.

It is not a de Polignac number, because 85916625 - 2⁶ = 85916561 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73294 + ... + 74456.

It is an arithmetic number, because the mean of its divisors is an integer number (4494204).

Almost surely, 2^85916625 is an apocalyptic number.

It is an amenable number.

85916625 is a deficient number, since it is larger than the sum of its proper divisors (57897903).

85916625 is a wasteful number, since it uses less digits than its factorization.

85916625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378 (or 1368 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 85916625 is about 9269.1221267173. The cubic root of 85916625 is about 441.2578076178.

The spelling of 85916625 in words is "eighty-five million, nine hundred sixteen thousand, six hundred twenty-five".