328281593085 has 24 divisors (see below), whose sum is σ = 571075678680. Its totient is φ = 174451439232.

The previous prime is 328281593083. The next prime is 328281593131. The reversal of 328281593085 is 580395182823.

328281593085 is a `hidden beast` number, since 3 + 2 + 8 + 281 + 59 + 308 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 46709151129 + 281572441956 = 216123^2 + 530634^2 .

It is not a de Polignac number, because 328281593085 - 2¹ = 328281593083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328281593083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13155670 + ... + 13180599.

It is an arithmetic number, because the mean of its divisors is an integer number (23794819945).

Almost surely, 2^328281593085 is an apocalyptic number.

It is an amenable number.

328281593085 is a deficient number, since it is larger than the sum of its proper divisors (242794085595).

328281593085 is a wasteful number, since it uses less digits than its factorization.

328281593085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26336557 (or 26336554 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 328281593085 in words is "three hundred twenty-eight billion, two hundred eighty-one million, five hundred ninety-three thousand, eighty-five".