85827900 has 72 divisors (see below), whose sum is σ = 262951920. Its totient is φ = 21539840.

The previous prime is 85827899. The next prime is 85827919. The reversal of 85827900 is 972858.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3315 + ... + 13514.

It is an arithmetic number, because the mean of its divisors is an integer number (3652110).

Almost surely, 2^85827900 is an apocalyptic number.

It is an amenable number.

85827900 is an abundant number, since it is smaller than the sum of its proper divisors (177124020).

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

85827900 is a wasteful number, since it uses less digits than its factorization.

85827900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16863 (or 16856 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 85827900 is about 9264.3348385084. The cubic root of 85827900 is about 441.1058615364.

The spelling of 85827900 in words is "eighty-five million, eight hundred twenty-seven thousand, nine hundred".