322977967128 has 96 divisors (see below), whose sum is σ = 882407519760. Its totient is φ = 106717927680.

The previous prime is 322977967043. The next prime is 322977967171. The reversal of 322977967128 is 821769779223.

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 23 ways as a sum of consecutive naturals, for example, 4725051 + ... + 4792917.

Almost surely, 2^322977967128 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 322977967128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441203759880).

322977967128 is an abundant number, since it is smaller than the sum of its proper divisors (559429552632).

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

322977967128 is a wasteful number, since it uses less digits than its factorization.

322977967128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68457 (or 68450 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 63.

The spelling of 322977967128 in words is "three hundred twenty-two billion, nine hundred seventy-seven million, nine hundred sixty-seven thousand, one hundred twenty-eight".