85914564 has 24 divisors (see below), whose sum is σ = 201128928. Its totient is φ = 28543680.

The previous prime is 85914533. The next prime is 85914571. The reversal of 85914564 is 46541958.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7977 + ... + 15344.

It is an arithmetic number, because the mean of its divisors is an integer number (8380372).

Almost surely, 2^85914564 is an apocalyptic number.

It is an amenable number.

85914564 is an abundant number, since it is smaller than the sum of its proper divisors (115214364).

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

85914564 is a wasteful number, since it uses less digits than its factorization.

85914564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23635 (or 23633 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 85914564 is about 9269.0109504736. The cubic root of 85914564 is about 441.2542792374.

The spelling of 85914564 in words is "eighty-five million, nine hundred fourteen thousand, five hundred sixty-four".