85635956 has 48 divisors (see below), whose sum is σ = 178295040. Its totient is φ = 35212800.

The previous prime is 85635943. The next prime is 85635971. The reversal of 85635956 is 65953658.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85635956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213356 + ... + 213756.

It is an arithmetic number, because the mean of its divisors is an integer number (3714480).

Almost surely, 2^85635956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85635956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89147520).

85635956 is an abundant number, since it is smaller than the sum of its proper divisors (92659084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85635956 is a wasteful number, since it uses less digits than its factorization.

85635956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 702 counting only the distinct ones).

The product of its digits is 972000, while the sum is 47.

The square root of 85635956 is about 9253.9697427645. The cubic root of 85635956 is about 440.7767889838.

The spelling of 85635956 in words is "eighty-five million, six hundred thirty-five thousand, nine hundred fifty-six".