85906804 has 12 divisors (see below), whose sum is σ = 151238304. Its totient is φ = 42695864.

The previous prime is 85906801. The next prime is 85906811. The reversal of 85906804 is 40860958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85906801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63634 + ... + 64969.

It is an arithmetic number, because the mean of its divisors is an integer number (12603192).

Almost surely, 2^85906804 is an apocalyptic number.

It is an amenable number.

85906804 is a deficient number, since it is larger than the sum of its proper divisors (65331500).

85906804 is a wasteful number, since it uses less digits than its factorization.

85906804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128774 (or 128772 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 85906804 is about 9268.5923418823. The cubic root of 85906804 is about 441.2409938054.

The spelling of 85906804 in words is "eighty-five million, nine hundred six thousand, eight hundred four".