327984657720 has 128 divisors (see below), whose sum is σ = 1050037862400. Its totient is φ = 81669482496.

The previous prime is 327984657683. The next prime is 327984657761. The reversal of 327984657720 is 27756489723.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373900 + ... + 892059.

It is an arithmetic number, because the mean of its divisors is an integer number (8203420800).

Almost surely, 2^327984657720 is an apocalyptic number.

327984657720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

327984657720 is an abundant number, since it is smaller than the sum of its proper divisors (722053204680).

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

327984657720 is a wasteful number, since it uses less digits than its factorization.

327984657720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266117 (or 1266113 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 60.

The spelling of 327984657720 in words is "three hundred twenty-seven billion, nine hundred eighty-four million, six hundred fifty-seven thousand, seven hundred twenty".