328087577 has 2 divisors, whose sum is σ = 328087578. Its totient is φ = 328087576.

The previous prime is 328087567. The next prime is 328087583. The reversal of 328087577 is 775780823.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282105616 + 45981961 = 16796^2 + 6781^2 .

It is a cyclic number.

It is not a de Polignac number, because 328087577 - 2⁴ = 328087561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (328087567) 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 as a sum of consecutive naturals, namely, 164043788 + 164043789.

It is an arithmetic number, because the mean of its divisors is an integer number (164043789).

Almost surely, 2^328087577 is an apocalyptic number.

It is an amenable number.

328087577 is a deficient number, since it is larger than the sum of its proper divisors (1).

328087577 is an equidigital number, since it uses as much as digits as its factorization.

328087577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 658560, while the sum is 47.

The square root of 328087577 is about 18113.1879303451. The cubic root of 328087577 is about 689.7048215823.

The spelling of 328087577 in words is "three hundred twenty-eight million, eighty-seven thousand, five hundred seventy-seven".