6328463987 has 2 divisors, whose sum is σ = 6328463988. Its totient is φ = 6328463986.

The previous prime is 6328463917. The next prime is 6328464019. The reversal of 6328463987 is 7893648236.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6328463987 - 2¹⁴ = 6328447603 is a prime.

It is not a weakly prime, because it can be changed into another prime (6328463917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3164231993 + 3164231994.

It is an arithmetic number, because the mean of its divisors is an integer number (3164231994).

Almost surely, 2^6328463987 is an apocalyptic number.

6328463987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6328463987 is an equidigital number, since it uses as much as digits as its factorization.

6328463987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 56.

The square root of 6328463987 is about 79551.6435216772. The cubic root of 6328463987 is about 1849.6920828651.

The spelling of 6328463987 in words is "six billion, three hundred twenty-eight million, four hundred sixty-three thousand, nine hundred eighty-seven".