328508628817 has 2 divisors, whose sum is σ = 328508628818. Its totient is φ = 328508628816.

The previous prime is 328508628787. The next prime is 328508628883. The reversal of 328508628817 is 718826805823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325191905536 + 3316723281 = 570256^2 + 57591^2 .

It is a cyclic number.

It is not a de Polignac number, because 328508628817 - 2¹¹ = 328508626769 is a prime.

It is not a weakly prime, because it can be changed into another prime (328508625817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164254314408 + 164254314409.

It is an arithmetic number, because the mean of its divisors is an integer number (164254314409).

Almost surely, 2^328508628817 is an apocalyptic number.

It is an amenable number.

328508628817 is a deficient number, since it is larger than the sum of its proper divisors (1).

328508628817 is an equidigital number, since it uses as much as digits as its factorization.

328508628817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10321920, while the sum is 58.

The spelling of 328508628817 in words is "three hundred twenty-eight billion, five hundred eight million, six hundred twenty-eight thousand, eight hundred seventeen".