328856787 has 24 divisors (see below), whose sum is σ = 566739600. Its totient is φ = 187917408.

The previous prime is 328856779. The next prime is 328856797. The reversal of 328856787 is 787658823.

It is not a de Polignac number, because 328856787 - 2³ = 328856779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328856797) 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 23 ways as a sum of consecutive naturals, for example, 122962 + ... + 125607.

It is an arithmetic number, because the mean of its divisors is an integer number (23614150).

Almost surely, 2^328856787 is an apocalyptic number.

328856787 is a deficient number, since it is larger than the sum of its proper divisors (237882813).

328856787 is a wasteful number, since it uses less digits than its factorization.

328856787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248592 (or 248579 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 328856787 is about 18134.4089233700. The cubic root of 328856787 is about 690.2434112862.

The spelling of 328856787 in words is "three hundred twenty-eight million, eight hundred fifty-six thousand, seven hundred eighty-seven".