328978900227 has 32 divisors (see below), whose sum is σ = 449544867840. Its totient is φ = 213936942240.

The previous prime is 328978900139. The next prime is 328978900231. The reversal of 328978900227 is 722009879823.

It is a happy number.

It is not a de Polignac number, because 328978900227 - 2¹⁹ = 328978375939 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (328978900027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18748224 + ... + 18765762.

It is an arithmetic number, because the mean of its divisors is an integer number (14048277120).

Almost surely, 2^328978900227 is an apocalyptic number.

328978900227 is a deficient number, since it is larger than the sum of its proper divisors (120565967613).

328978900227 is a wasteful number, since it uses less digits than its factorization.

328978900227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18543.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 328978900227 in words is "three hundred twenty-eight billion, nine hundred seventy-eight million, nine hundred thousand, two hundred twenty-seven".