328478811 has 16 divisors (see below), whose sum is σ = 464256000. Its totient is φ = 205872768.

The previous prime is 328478779. The next prime is 328478827. The reversal of 328478811 is 118874823.

It is not a de Polignac number, because 328478811 - 2⁵ = 328478779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328478861) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 49890 + ... + 56088.

It is an arithmetic number, because the mean of its divisors is an integer number (29016000).

Almost surely, 2^328478811 is an apocalyptic number.

328478811 is a deficient number, since it is larger than the sum of its proper divisors (135777189).

328478811 is a wasteful number, since it uses less digits than its factorization.

328478811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7258.

The product of its digits is 86016, while the sum is 42.

The square root of 328478811 is about 18123.9844129264. The cubic root of 328478811 is about 689.9788630366.

The spelling of 328478811 in words is "three hundred twenty-eight million, four hundred seventy-eight thousand, eight hundred eleven".