85804818324 has 24 divisors (see below), whose sum is σ = 200768944320. Its totient is φ = 28521934464.

The previous prime is 85804818317. The next prime is 85804818373. The reversal of 85804818324 is 42381840858.

It is a super-2 number, since 2×85804818324² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9954469 + ... + 9963084.

It is an arithmetic number, because the mean of its divisors is an integer number (8365372680).

Almost surely, 2^85804818324 is an apocalyptic number.

It is an amenable number.

85804818324 is an abundant number, since it is smaller than the sum of its proper divisors (114964125996).

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

85804818324 is a wasteful number, since it uses less digits than its factorization.

85804818324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19917919 (or 19917917 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 51.

The spelling of 85804818324 in words is "eighty-five billion, eight hundred four million, eight hundred eighteen thousand, three hundred twenty-four".