328768907 has 2 divisors, whose sum is σ = 328768908. Its totient is φ = 328768906.

The previous prime is 328768889. The next prime is 328768963. The reversal of 328768907 is 709867823.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328768907 - 2⁸ = 328768651 is a prime.

It is not a weakly prime, because it can be changed into another prime (328768207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164384453 + 164384454.

It is an arithmetic number, because the mean of its divisors is an integer number (164384454).

Almost surely, 2^328768907 is an apocalyptic number.

328768907 is a deficient number, since it is larger than the sum of its proper divisors (1).

328768907 is an equidigital number, since it uses as much as digits as its factorization.

328768907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 328768907 is about 18131.9857434314. The cubic root of 328768907 is about 690.1819215056.

The spelling of 328768907 in words is "three hundred twenty-eight million, seven hundred sixty-eight thousand, nine hundred seven".