85813204 has 24 divisors (see below), whose sum is σ = 156197160. Its totient is φ = 41201664.

The previous prime is 85813187. The next prime is 85813219. The reversal of 85813204 is 40231858.

It can be written as a sum of positive squares in 4 ways, for example, as 1210000 + 84603204 = 1100^2 + 9198^2 .

It is a congruent number.

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, 20472 + ... + 24304.

It is an arithmetic number, because the mean of its divisors is an integer number (6508215).

Almost surely, 2^85813204 is an apocalyptic number.

It is an amenable number.

85813204 is a deficient number, since it is larger than the sum of its proper divisors (70383956).

85813204 is a wasteful number, since it uses less digits than its factorization.

85813204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059 (or 4057 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 85813204 is about 9263.5416553282. The cubic root of 85813204 is about 441.0806837804.

The spelling of 85813204 in words is "eighty-five million, eight hundred thirteen thousand, two hundred four".