85318875 has 48 divisors (see below), whose sum is σ = 155020320. Its totient is φ = 45144000.

The previous prime is 85318867. The next prime is 85318889. The reversal of 85318875 is 57881358.

It is a happy number.

It is not a de Polignac number, because 85318875 - 2³ = 85318867 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 85318875.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 203416 + ... + 203834.

It is an arithmetic number, because the mean of its divisors is an integer number (3229590).

Almost surely, 2^85318875 is an apocalyptic number.

85318875 is the 7542-nd pentagonal number.

85318875 is a deficient number, since it is larger than the sum of its proper divisors (69701445).

85318875 is a wasteful number, since it uses less digits than its factorization.

85318875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 608 counting only the distinct ones).

The product of its digits is 268800, while the sum is 45.

The square root of 85318875 is about 9236.8216936347. The cubic root of 85318875 is about 440.2321003415.

The spelling of 85318875 in words is "eighty-five million, three hundred eighteen thousand, eight hundred seventy-five".