328922393788 has 24 divisors (see below), whose sum is σ = 587917209600. Its totient is φ = 160946713968.

The previous prime is 328922393783. The next prime is 328922393809. The reversal of 328922393788 is 887393229823.

It is a super-2 number, since 2×328922393788² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328922393783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2042893 + ... + 2198011.

It is an arithmetic number, because the mean of its divisors is an integer number (24496550400).

Almost surely, 2^328922393788 is an apocalyptic number.

It is an amenable number.

328922393788 is a deficient number, since it is larger than the sum of its proper divisors (258994815812).

328922393788 is a wasteful number, since it uses less digits than its factorization.

328922393788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166449 (or 166447 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 64.

The spelling of 328922393788 in words is "three hundred twenty-eight billion, nine hundred twenty-two million, three hundred ninety-three thousand, seven hundred eighty-eight".