328497077 has 2 divisors, whose sum is σ = 328497078. Its totient is φ = 328497076.

The previous prime is 328497067. The next prime is 328497079. The reversal of 328497077 is 770794823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328298161 + 198916 = 18119^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 328497077 - 2⁸ = 328496821 is a prime.

Together with 328497079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328497079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164248538 + 164248539.

It is an arithmetic number, because the mean of its divisors is an integer number (164248539).

Almost surely, 2^328497077 is an apocalyptic number.

It is an amenable number.

328497077 is a deficient number, since it is larger than the sum of its proper divisors (1).

328497077 is an equidigital number, since it uses as much as digits as its factorization.

328497077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 328497077 is about 18124.4883238121. The cubic root of 328497077 is about 689.9916522129.

The spelling of 328497077 in words is "three hundred twenty-eight million, four hundred ninety-seven thousand, seventy-seven".