328520556792 has 96 divisors (see below), whose sum is σ = 893424495600. Its totient is φ = 109054245888.

The previous prime is 328520556773. The next prime is 328520556797. The reversal of 328520556792 is 297655025823.

It is a happy number.

328520556792 is a `hidden beast` number, since 3 + 2 + 8 + 520 + 55 + 67 + 9 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328520556797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43376718 + ... + 43384290.

Almost surely, 2^328520556792 is an apocalyptic number.

It is an amenable number.

328520556792 is an abundant number, since it is smaller than the sum of its proper divisors (564903938808).

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

328520556792 is a wasteful number, since it uses less digits than its factorization.

328520556792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9997 (or 9990 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 328520556792 in words is "three hundred twenty-eight billion, five hundred twenty million, five hundred fifty-six thousand, seven hundred ninety-two".