6311882768 has 20 divisors (see below), whose sum is σ = 12429754668. Its totient is φ = 3104204160.

The previous prime is 6311882767. The next prime is 6311882779. The reversal of 6311882768 is 8672881136.

It can be written as a sum of positive squares in 2 ways, for example, as 3545964304 + 2765918464 = 59548^2 + 52592^2 .

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6311882767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3232571 + ... + 3234522.

Almost surely, 2^6311882768 is an apocalyptic number.

It is an amenable number.

6311882768 is a deficient number, since it is larger than the sum of its proper divisors (6117871900).

6311882768 is a wasteful number, since it uses less digits than its factorization.

6311882768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467162 (or 6467156 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 6311882768 is about 79447.3584708768. The cubic root of 6311882768 is about 1848.0752094851.

The spelling of 6311882768 in words is "six billion, three hundred eleven million, eight hundred eighty-two thousand, seven hundred sixty-eight".