85473218 has 16 divisors (see below), whose sum is σ = 130589280. Its totient is φ = 41949216.

The previous prime is 85473209. The next prime is 85473251. The reversal of 85473218 is 81237458.

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, 31853 + ... + 34431.

It is an arithmetic number, because the mean of its divisors is an integer number (8161830).

Almost surely, 2^85473218 is an apocalyptic number.

85473218 is a deficient number, since it is larger than the sum of its proper divisors (45116062).

85473218 is a wasteful number, since it uses less digits than its factorization.

85473218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881.

The product of its digits is 53760, while the sum is 38.

The square root of 85473218 is about 9245.1726863266. The cubic root of 85473218 is about 440.4974023707.

The spelling of 85473218 in words is "eighty-five million, four hundred seventy-three thousand, two hundred eighteen".