328370778 has 24 divisors (see below), whose sum is σ = 713594388. Its totient is φ = 109130112.

The previous prime is 328370773. The next prime is 328370797. The reversal of 328370778 is 877073823.

It can be written as a sum of positive squares in 2 ways, for example, as 253669329 + 74701449 = 15927^2 + 8643^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (328370771) 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 11 ways as a sum of consecutive naturals, for example, 21001 + ... + 33132.

Almost surely, 2^328370778 is an apocalyptic number.

328370778 is an abundant number, since it is smaller than the sum of its proper divisors (385223610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328370778 is a wasteful number, since it uses less digits than its factorization.

328370778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54478 (or 54475 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 328370778 is about 18121.0037801442. The cubic root of 328370778 is about 689.9032126371.

The spelling of 328370778 in words is "three hundred twenty-eight million, three hundred seventy thousand, seven hundred seventy-eight".