328404971116784 has 80 divisors (see below), whose sum is σ = 641855293944480. Its totient is φ = 162767787786240.

The previous prime is 328404971116763. The next prime is 328404971116801. The reversal of 328404971116784 is 487611179404823.

It is a self number, because there is not a number n which added to its sum of digits gives 328404971116784.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7206739952 + ... + 7206785520.

It is an arithmetic number, because the mean of its divisors is an integer number (8023191174306).

Almost surely, 2^{328404971116784} is an apocalyptic number.

It is an amenable number.

328404971116784 is a deficient number, since it is larger than the sum of its proper divisors (313450322827696).

328404971116784 is a wasteful number, since it uses less digits than its factorization.

328404971116784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49458 (or 49452 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 65.

The spelling of 328404971116784 in words is "three hundred twenty-eight trillion, four hundred four billion, nine hundred seventy-one million, one hundred sixteen thousand, seven hundred eighty-four".