85324320 has 96 divisors (see below), whose sum is σ = 298650240. Its totient is φ = 22752000.

The previous prime is 85324297. The next prime is 85324333. The reversal of 85324320 is 2342358.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 5556 + ... + 14195.

It is an arithmetic number, because the mean of its divisors is an integer number (3110940).

Almost surely, 2^85324320 is an apocalyptic number.

85324320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85324320 is an abundant number, since it is smaller than the sum of its proper divisors (213325920).

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

85324320 is a wasteful number, since it uses less digits than its factorization.

85324320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19775 (or 19761 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 85324320 is about 9237.1164331733. The cubic root of 85324320 is about 440.2414652595.

Adding to 85324320 its reverse (2342358), we get a palindrome (87666678).

The spelling of 85324320 in words is "eighty-five million, three hundred twenty-four thousand, three hundred twenty".