85975893 has 24 divisors (see below), whose sum is σ = 133922880. Its totient is φ = 52971840.

The previous prime is 85975889. The next prime is 85975907. The reversal of 85975893 is 39857958.

85975893 is a `hidden beast` number, since 8 + 59 + 7 + 589 + 3 = 666.

It is not a de Polignac number, because 85975893 - 2² = 85975889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85975873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 880 + ... + 13142.

It is an arithmetic number, because the mean of its divisors is an integer number (5580120).

Almost surely, 2^85975893 is an apocalyptic number.

It is an amenable number.

85975893 is a deficient number, since it is larger than the sum of its proper divisors (47946987).

85975893 is a wasteful number, since it uses less digits than its factorization.

85975893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12329 (or 12326 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The square root of 85975893 is about 9272.3186420657. The cubic root of 85975893 is about 441.3592488172.

It can be divided in two parts, 85975 and 893, that added together give a palindrome (86868).

The spelling of 85975893 in words is "eighty-five million, nine hundred seventy-five thousand, eight hundred ninety-three".