328871575811 has 2 divisors, whose sum is σ = 328871575812. Its totient is φ = 328871575810.

The previous prime is 328871575771. The next prime is 328871575819. The reversal of 328871575811 is 118575178823.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328871575811 is a prime.

It is not a weakly prime, because it can be changed into another prime (328871575819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164435787905 + 164435787906.

It is an arithmetic number, because the mean of its divisors is an integer number (164435787906).

Almost surely, 2^328871575811 is an apocalyptic number.

328871575811 is a deficient number, since it is larger than the sum of its proper divisors (1).

328871575811 is an equidigital number, since it uses as much as digits as its factorization.

328871575811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3763200, while the sum is 56.

The spelling of 328871575811 in words is "three hundred twenty-eight billion, eight hundred seventy-one million, five hundred seventy-five thousand, eight hundred eleven".