85395999 has 16 divisors (see below), whose sum is σ = 122874752. Its totient is φ = 52442208.

The previous prime is 85395991. The next prime is 85396001. The reversal of 85395999 is 99959358.

It is not a de Polignac number, because 85395999 - 2³ = 85395991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85395991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19332 + ... + 23334.

It is an arithmetic number, because the mean of its divisors is an integer number (7679672).

Almost surely, 2^85395999 is an apocalyptic number.

85395999 is a deficient number, since it is larger than the sum of its proper divisors (37478753).

85395999 is a wasteful number, since it uses less digits than its factorization.

85395999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566.

The product of its digits is 3936600, while the sum is 57.

The square root of 85395999 is about 9240.9955632497. The cubic root of 85395999 is about 440.3647096662.

The spelling of 85395999 in words is "eighty-five million, three hundred ninety-five thousand, nine hundred ninety-nine".