328807120109 has 12 divisors (see below), whose sum is σ = 356070859200. Its totient is φ = 303492715344.

The previous prime is 328807120097. The next prime is 328807120189. The reversal of 328807120109 is 901021708823.

It is not a de Polignac number, because 328807120109 - 2¹² = 328807116013 is a prime.

It is a super-2 number, since 2×328807120109² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328807120189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2629202 + ... + 2751420.

It is an arithmetic number, because the mean of its divisors is an integer number (29672571600).

Almost surely, 2^328807120109 is an apocalyptic number.

It is an amenable number.

328807120109 is a deficient number, since it is larger than the sum of its proper divisors (27263739091).

328807120109 is a wasteful number, since it uses less digits than its factorization.

328807120109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138164 (or 138151 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 328807120109 in words is "three hundred twenty-eight billion, eight hundred seven million, one hundred twenty thousand, one hundred nine".