85857230 has 16 divisors (see below), whose sum is σ = 155240064. Its totient is φ = 34188000.

The previous prime is 85857221. The next prime is 85857253. The reversal of 85857230 is 3275858.

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, 17021 + ... + 21480.

It is an arithmetic number, because the mean of its divisors is an integer number (9702504).

Almost surely, 2^85857230 is an apocalyptic number.

85857230 is a deficient number, since it is larger than the sum of its proper divisors (69382834).

85857230 is a wasteful number, since it uses less digits than its factorization.

85857230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38731.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 85857230 is about 9265.9176555806. The cubic root of 85857230 is about 441.1561022370.

The spelling of 85857230 in words is "eighty-five million, eight hundred fifty-seven thousand, two hundred thirty".