85324920 has 32 divisors (see below), whose sum is σ = 255975120. Its totient is φ = 22753280.

The previous prime is 85324919. The next prime is 85324937. The reversal of 85324920 is 2942358.

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 7 ways as a sum of consecutive naturals, for example, 355401 + ... + 355640.

Almost surely, 2^85324920 is an apocalyptic number.

It is an amenable number.

85324920 is an abundant number, since it is smaller than the sum of its proper divisors (170650200).

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

85324920 is a wasteful number, since it uses less digits than its factorization.

85324920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711055 (or 711051 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 85324920 is about 9237.1489107841. The cubic root of 85324920 is about 440.2424971820.

The spelling of 85324920 in words is "eighty-five million, three hundred twenty-four thousand, nine hundred twenty".