85418844874 has 16 divisors (see below), whose sum is σ = 139810890816. Its totient is φ = 38817136800.

The previous prime is 85418844871. The next prime is 85418844877. The reversal of 85418844874 is 47844881458.

It is an interprime number because it is at equal distance from previous prime (85418844871) and next prime (85418844877).

It is not an unprimeable number, because it can be changed into a prime (85418844871) 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, 389262 + ... + 567769.

It is an arithmetic number, because the mean of its divisors is an integer number (8738180676).

Almost surely, 2^85418844874 is an apocalyptic number.

85418844874 is a deficient number, since it is larger than the sum of its proper divisors (54392045942).

85418844874 is a wasteful number, since it uses less digits than its factorization.

85418844874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961101.

The product of its digits is 36700160, while the sum is 61.

The spelling of 85418844874 in words is "eighty-five billion, four hundred eighteen million, eight hundred forty-four thousand, eight hundred seventy-four".