327691523328 has 576 divisors, whose sum is σ = 1008748339200. Its totient is φ = 93671424000.

The previous prime is 327691523317. The next prime is 327691523363. The reversal of 327691523328 is 823325196723.

It is a super-2 number, since 2×327691523328² (a number of 24 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 (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1646690973 + ... + 1646691171.

It is an arithmetic number, because the mean of its divisors is an integer number (1751299200).

Almost surely, 2^327691523328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 327691523328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504374169600).

327691523328 is an abundant number, since it is smaller than the sum of its proper divisors (681056815872).

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

327691523328 is a wasteful number, since it uses less digits than its factorization.

327691523328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 412 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The spelling of 327691523328 in words is "three hundred twenty-seven billion, six hundred ninety-one million, five hundred twenty-three thousand, three hundred twenty-eight".