328872787 has 2 divisors, whose sum is σ = 328872788. Its totient is φ = 328872786.

The previous prime is 328872751. The next prime is 328872793. The reversal of 328872787 is 787278823.

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-328872787 is a prime.

It is not a weakly prime, because it can be changed into another prime (328872287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164436393 + 164436394.

It is an arithmetic number, because the mean of its divisors is an integer number (164436394).

Almost surely, 2^328872787 is an apocalyptic number.

328872787 is a deficient number, since it is larger than the sum of its proper divisors (1).

328872787 is an equidigital number, since it uses as much as digits as its factorization.

328872787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2107392, while the sum is 52.

The square root of 328872787 is about 18134.8500683077. The cubic root of 328872787 is about 690.2546053337.

The spelling of 328872787 in words is "three hundred twenty-eight million, eight hundred seventy-two thousand, seven hundred eighty-seven".