85823800 has 24 divisors (see below), whose sum is σ = 199540800. Its totient is φ = 34329440.

The previous prime is 85823791. The next prime is 85823813. The reversal of 85823800 is 832858.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214360 + ... + 214759.

It is an arithmetic number, because the mean of its divisors is an integer number (8314200).

Almost surely, 2^85823800 is an apocalyptic number.

It is an amenable number.

85823800 is an abundant number, since it is smaller than the sum of its proper divisors (113717000).

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

85823800 is a wasteful number, since it uses less digits than its factorization.

85823800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429135 (or 429126 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 85823800 is about 9264.1135571624. The cubic root of 85823800 is about 441.0988375468.

The spelling of 85823800 in words is "eighty-five million, eight hundred twenty-three thousand, eight hundred".