85164575 has 12 divisors (see below), whose sum is σ = 105723888. Its totient is φ = 68054400.

The previous prime is 85164559. The next prime is 85164581. The reversal of 85164575 is 57546158.

It is not a de Polignac number, because 85164575 - 2⁴ = 85164559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32774 + ... + 35276.

It is an arithmetic number, because the mean of its divisors is an integer number (8810324).

Almost surely, 2^85164575 is an apocalyptic number.

85164575 is a deficient number, since it is larger than the sum of its proper divisors (20559313).

85164575 is a wasteful number, since it uses less digits than its factorization.

85164575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3874 (or 3869 counting only the distinct ones).

The product of its digits is 168000, while the sum is 41.

The square root of 85164575 is about 9228.4654737394. The cubic root of 85164575 is about 439.9665522095.

The spelling of 85164575 in words is "eighty-five million, one hundred sixty-four thousand, five hundred seventy-five".