328260778 has 16 divisors (see below), whose sum is σ = 501399360. Its totient is φ = 161135136.

The previous prime is 328260749. The next prime is 328260787. The reversal of 328260778 is 877062823.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124126 + ... + 126742.

It is an arithmetic number, because the mean of its divisors is an integer number (31337460).

Almost surely, 2^328260778 is an apocalyptic number.

328260778 is a deficient number, since it is larger than the sum of its proper divisors (173138582).

328260778 is a wasteful number, since it uses less digits than its factorization.

328260778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 328260778 is about 18117.9683739651. The cubic root of 328260778 is about 689.8261677902.

The spelling of 328260778 in words is "three hundred twenty-eight million, two hundred sixty thousand, seven hundred seventy-eight".