85844258 has 16 divisors (see below), whose sum is σ = 130416000. Its totient is φ = 42375312.

The previous prime is 85844249. The next prime is 85844267. The reversal of 85844258 is 85244858.

It is an interprime number because it is at equal distance from previous prime (85844249) and next prime (85844267).

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 82103 + ... + 83141.

It is an arithmetic number, because the mean of its divisors is an integer number (8151000).

Almost surely, 2^85844258 is an apocalyptic number.

85844258 is a deficient number, since it is larger than the sum of its proper divisors (44571742).

85844258 is a wasteful number, since it uses less digits than its factorization.

85844258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529.

The product of its digits is 409600, while the sum is 44.

The square root of 85844258 is about 9265.2176445025. The cubic root of 85844258 is about 441.1338833154.

The spelling of 85844258 in words is "eighty-five million, eight hundred forty-four thousand, two hundred fifty-eight".