85656634 has 16 divisors (see below), whose sum is σ = 147492288. Its totient is φ = 36546912.

The previous prime is 85656631. The next prime is 85656643. The reversal of 85656634 is 43665658.

It is not an unprimeable number, because it can be changed into a prime (85656631) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10299 + ... + 16654.

It is an arithmetic number, because the mean of its divisors is an integer number (9218268).

Almost surely, 2^85656634 is an apocalyptic number.

85656634 is a deficient number, since it is larger than the sum of its proper divisors (61835654).

85656634 is a wasteful number, since it uses less digits than its factorization.

85656634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27189.

The product of its digits is 518400, while the sum is 43.

The square root of 85656634 is about 9255.0869255777. The cubic root of 85656634 is about 440.8122633701.

The spelling of 85656634 in words is "eighty-five million, six hundred fifty-six thousand, six hundred thirty-four".