328288678 has 16 divisors (see below), whose sum is σ = 502706736. Its totient is φ = 160732000.

The previous prime is 328288661. The next prime is 328288721. The reversal of 328288678 is 876882823.

It is a super-2 number, since 2×328288678² = 215546912205975368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56928 + ... + 62428.

It is an arithmetic number, because the mean of its divisors is an integer number (31419171).

Almost surely, 2^328288678 is an apocalyptic number.

328288678 is a deficient number, since it is larger than the sum of its proper divisors (174418058).

328288678 is a wasteful number, since it uses less digits than its factorization.

328288678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119.

The product of its digits is 2064384, while the sum is 52.

The square root of 328288678 is about 18118.7383114829. The cubic root of 328288678 is about 689.8457107939.

The spelling of 328288678 in words is "three hundred twenty-eight million, two hundred eighty-eight thousand, six hundred seventy-eight".