328944677 has 2 divisors, whose sum is σ = 328944678. Its totient is φ = 328944676.

The previous prime is 328944661. The next prime is 328944691. The reversal of 328944677 is 776449823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275858881 + 53085796 = 16609^2 + 7286^2 .

It is a cyclic number.

It is not a de Polignac number, because 328944677 - 2⁴ = 328944661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328944617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164472338 + 164472339.

It is an arithmetic number, because the mean of its divisors is an integer number (164472339).

Almost surely, 2^328944677 is an apocalyptic number.

It is an amenable number.

328944677 is a deficient number, since it is larger than the sum of its proper divisors (1).

328944677 is an equidigital number, since it uses as much as digits as its factorization.

328944677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 50.

The square root of 328944677 is about 18136.8320552405. The cubic root of 328944677 is about 690.3048971083.

The spelling of 328944677 in words is "three hundred twenty-eight million, nine hundred forty-four thousand, six hundred seventy-seven".