85804074 has 24 divisors (see below), whose sum is σ = 186590820. Its totient is φ = 28496448.

The previous prime is 85804067. The next prime is 85804087. The reversal of 85804074 is 47040858.

85804074 is a `hidden beast` number, since 8 + 580 + 4 + 0 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 82355625 + 3448449 = 9075^2 + 1857^2 .

It is a super-2 number, since 2×85804074² = 14724678229994952, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3619 + ... + 13590.

Almost surely, 2^85804074 is an apocalyptic number.

85804074 is an abundant number, since it is smaller than the sum of its proper divisors (100786746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85804074 is a wasteful number, since it uses less digits than its factorization.

85804074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17494 (or 17491 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 85804074 is about 9263.0488501357. The cubic root of 85804074 is about 441.0650404634.

The spelling of 85804074 in words is "eighty-five million, eight hundred four thousand, seventy-four".