85418193 has 16 divisors (see below), whose sum is σ = 130367360. Its totient is φ = 48733056.

The previous prime is 85418189. The next prime is 85418219. The reversal of 85418193 is 39181458.

It is not a de Polignac number, because 85418193 - 2² = 85418189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85413193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12021 + ... + 17757.

It is an arithmetic number, because the mean of its divisors is an integer number (8147960).

Almost surely, 2^85418193 is an apocalyptic number.

It is an amenable number.

85418193 is a deficient number, since it is larger than the sum of its proper divisors (44949167).

85418193 is a wasteful number, since it uses less digits than its factorization.

85418193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456.

The product of its digits is 34560, while the sum is 39.

The square root of 85418193 is about 9242.1963298774. The cubic root of 85418193 is about 440.4028559022.

The spelling of 85418193 in words is "eighty-five million, four hundred eighteen thousand, one hundred ninety-three".