85318219 has 8 divisors (see below), whose sum is σ = 98275328. Its totient is φ = 72553320.

The previous prime is 85318213. The next prime is 85318241. The reversal of 85318219 is 91281358.

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

It is not a de Polignac number, because 85318219 - 2⁵ = 85318187 is a prime.

It is a super-2 number, since 2×85318219² = 14558396986663922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85318213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47097 + ... + 48874.

It is an arithmetic number, because the mean of its divisors is an integer number (12284416).

Almost surely, 2^85318219 is an apocalyptic number.

85318219 is a deficient number, since it is larger than the sum of its proper divisors (12957109).

85318219 is a wasteful number, since it uses less digits than its factorization.

85318219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96105.

The product of its digits is 17280, while the sum is 37.

The square root of 85318219 is about 9236.7861835164. The cubic root of 85318219 is about 440.2309720527.

The spelling of 85318219 in words is "eighty-five million, three hundred eighteen thousand, two hundred nineteen".