85699593 has 32 divisors (see below), whose sum is σ = 149790720. Its totient is φ = 47388240.

The previous prime is 85699583. The next prime is 85699643. The reversal of 85699593 is 39599658.

It is not a de Polignac number, because 85699593 - 2⁴ = 85699577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85699583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1455 + ... + 13172.

It is an arithmetic number, because the mean of its divisors is an integer number (4680960).

Almost surely, 2^85699593 is an apocalyptic number.

It is an amenable number.

85699593 is a deficient number, since it is larger than the sum of its proper divisors (64091127).

85699593 is a wasteful number, since it uses less digits than its factorization.

85699593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14674 (or 14668 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 54.

The square root of 85699593 is about 9257.4074664563. The cubic root of 85699593 is about 440.8859439412.

The spelling of 85699593 in words is "eighty-five million, six hundred ninety-nine thousand, five hundred ninety-three".