85118900 has 36 divisors (see below), whose sum is σ = 185300640. Its totient is φ = 33938400.

The previous prime is 85118899. The next prime is 85118903. The reversal of 85118900 is 981158.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85118903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34715 + ... + 37085.

It is an arithmetic number, because the mean of its divisors is an integer number (5147240).

Almost surely, 2^85118900 is an apocalyptic number.

It is an amenable number.

85118900 is an abundant number, since it is smaller than the sum of its proper divisors (100181740).

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

85118900 is a wasteful number, since it uses less digits than its factorization.

85118900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744 (or 2737 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 85118900 is about 9225.9904617336. The cubic root of 85118900 is about 439.8878846577.

The spelling of 85118900 in words is "eighty-five million, one hundred eighteen thousand, nine hundred".