85814664 has 32 divisors (see below), whose sum is σ = 231040320. Its totient is φ = 26404416.

The previous prime is 85814593. The next prime is 85814669. The reversal of 85814664 is 46641858.

It is not an unprimeable number, because it can be changed into a prime (85814669) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 137212 + ... + 137835.

It is an arithmetic number, because the mean of its divisors is an integer number (7220010).

Almost surely, 2^85814664 is an apocalyptic number.

It is an amenable number.

85814664 is an abundant number, since it is smaller than the sum of its proper divisors (145225656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85814664 is a wasteful number, since it uses less digits than its factorization.

85814664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275069 (or 275065 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 85814664 is about 9263.6204585464. The cubic root of 85814664 is about 441.0831852375.

The spelling of 85814664 in words is "eighty-five million, eight hundred fourteen thousand, six hundred sixty-four".