85904585 has 16 divisors (see below), whose sum is σ = 112359744. Its totient is φ = 62668992.

The previous prime is 85904569. The next prime is 85904593. The reversal of 85904585 is 58540958.

It is a cyclic number.

It is not a de Polignac number, because 85904585 - 2⁴ = 85904569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2567 + ... + 13356.

It is an arithmetic number, because the mean of its divisors is an integer number (7022484).

Almost surely, 2^85904585 is an apocalyptic number.

It is an amenable number.

85904585 is a deficient number, since it is larger than the sum of its proper divisors (26455159).

85904585 is a wasteful number, since it uses less digits than its factorization.

85904585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16024.

The product of its (nonzero) digits is 288000, while the sum is 44.

The square root of 85904585 is about 9268.4726357691. The cubic root of 85904585 is about 441.2371946411.

The spelling of 85904585 in words is "eighty-five million, nine hundred four thousand, five hundred eighty-five".