6399567882 has 24 divisors (see below), whose sum is σ = 13867868196. Its totient is φ = 2132860416.

The previous prime is 6399567877. The next prime is 6399567899. The reversal of 6399567882 is 2887659936.

6399567882 is a `hidden beast` number, since 63 + 9 + 9 + 567 + 8 + 8 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6237998361 + 161569521 = 78981^2 + 12711^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111658 + ... + 158954.

Almost surely, 2^6399567882 is an apocalyptic number.

6399567882 is an abundant number, since it is smaller than the sum of its proper divisors (7468300314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6399567882 is a wasteful number, since it uses less digits than its factorization.

6399567882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54822 (or 54819 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The square root of 6399567882 is about 79997.2992169111. The cubic root of 6399567882 is about 1856.5937467946.

The spelling of 6399567882 in words is "six billion, three hundred ninety-nine million, five hundred sixty-seven thousand, eight hundred eighty-two".