6476634887 has 2 divisors, whose sum is σ = 6476634888. Its totient is φ = 6476634886.

The previous prime is 6476634877. The next prime is 6476634911. The reversal of 6476634887 is 7884366746.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6476634887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6476634877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3238317443 + 3238317444.

It is an arithmetic number, because the mean of its divisors is an integer number (3238317444).

Almost surely, 2^6476634887 is an apocalyptic number.

6476634887 is a deficient number, since it is larger than the sum of its proper divisors (1).

6476634887 is an equidigital number, since it uses as much as digits as its factorization.

6476634887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32514048, while the sum is 59.

The square root of 6476634887 is about 80477.5427495149. The cubic root of 6476634887 is about 1864.0167258249.

The spelling of 6476634887 in words is "six billion, four hundred seventy-six million, six hundred thirty-four thousand, eight hundred eighty-seven".