85856574 has 8 divisors (see below), whose sum is σ = 171713160. Its totient is φ = 28618856.

The previous prime is 85856569. The next prime is 85856581. The reversal of 85856574 is 47565858.

It is a sphenic number, since it is the product of 3 distinct primes.

85856574 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7154709 + ... + 7154720.

It is an arithmetic number, because the mean of its divisors is an integer number (21464145).

Almost surely, 2^85856574 is an apocalyptic number.

85856574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85856574 is a wasteful number, since it uses less digits than its factorization.

85856574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14309434.

The product of its digits is 1344000, while the sum is 48.

The square root of 85856574 is about 9265.8822569683. The cubic root of 85856574 is about 441.1549786696.

The spelling of 85856574 in words is "eighty-five million, eight hundred fifty-six thousand, five hundred seventy-four".