328775678 has 64 divisors (see below), whose sum is σ = 635627520. Its totient is φ = 123832800.

The previous prime is 328775659. The next prime is 328775683. The reversal of 328775678 is 876577823.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 867293 + ... + 867671.

It is an arithmetic number, because the mean of its divisors is an integer number (9931680).

Almost surely, 2^328775678 is an apocalyptic number.

328775678 is a deficient number, since it is larger than the sum of its proper divisors (306851842).

328775678 is a wasteful number, since it uses less digits than its factorization.

328775678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573.

The product of its digits is 3951360, while the sum is 53.

The square root of 328775678 is about 18132.1724567135. The cubic root of 328775678 is about 690.1866595750.

The spelling of 328775678 in words is "three hundred twenty-eight million, seven hundred seventy-five thousand, six hundred seventy-eight".