6329999887 has 2 divisors, whose sum is σ = 6329999888. Its totient is φ = 6329999886.

The previous prime is 6329999867. The next prime is 6329999917. The reversal of 6329999887 is 7889999236.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6329999887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6329999807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3164999943 + 3164999944.

It is an arithmetic number, because the mean of its divisors is an integer number (3164999944).

Almost surely, 2^6329999887 is an apocalyptic number.

6329999887 is a deficient number, since it is larger than the sum of its proper divisors (1).

6329999887 is an equidigital number, since it uses as much as digits as its factorization.

6329999887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105815808, while the sum is 70.

The square root of 6329999887 is about 79561.2964135201. The cubic root of 6329999887 is about 1849.8417090765.

The spelling of 6329999887 in words is "six billion, three hundred twenty-nine million, nine hundred ninety-nine thousand, eight hundred eighty-seven".