85323812 has 24 divisors (see below), whose sum is σ = 170849280. Its totient is φ = 36524160.

The previous prime is 85323809. The next prime is 85323827. The reversal of 85323812 is 21832358.

It is a super-2 number, since 2×85323812² = 14560305788422688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36989 + ... + 39227.

It is an arithmetic number, because the mean of its divisors is an integer number (7118720).

Almost surely, 2^85323812 is an apocalyptic number.

It is an amenable number.

85323812 is an abundant number, since it is smaller than the sum of its proper divisors (85525468).

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

85323812 is a wasteful number, since it uses less digits than its factorization.

85323812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611 (or 3609 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 85323812 is about 9237.0889353735. The cubic root of 85323812 is about 440.2405915613.

The spelling of 85323812 in words is "eighty-five million, three hundred twenty-three thousand, eight hundred twelve".