85469564 has 24 divisors (see below), whose sum is σ = 156444288. Its totient is φ = 40780080.

The previous prime is 85469563. The next prime is 85469569. The reversal of 85469564 is 46596458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85469563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51719 + ... + 53345.

It is an arithmetic number, because the mean of its divisors is an integer number (6518512).

Almost surely, 2^85469564 is an apocalyptic number.

It is an amenable number.

85469564 is a deficient number, since it is larger than the sum of its proper divisors (70974724).

85469564 is a wasteful number, since it uses less digits than its factorization.

85469564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225 (or 2223 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 47.

The square root of 85469564 is about 9244.9750675705. The cubic root of 85469564 is about 440.4911251590.

The spelling of 85469564 in words is "eighty-five million, four hundred sixty-nine thousand, five hundred sixty-four".