6278708668 has 12 divisors (see below), whose sum is σ = 11634077952. Its totient is φ = 2954686400.

The previous prime is 6278708647. The next prime is 6278708687. The reversal of 6278708668 is 8668078726.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46166908 + ... + 46167043.

It is an arithmetic number, because the mean of its divisors is an integer number (969506496).

Almost surely, 2^6278708668 is an apocalyptic number.

6278708668 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6278708668 is a deficient number, since it is larger than the sum of its proper divisors (5355369284).

6278708668 is a wasteful number, since it uses less digits than its factorization.

6278708668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92333972 (or 92333970 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 58.

The square root of 6278708668 is about 79238.3030358425. The cubic root of 6278708668 is about 1844.8318056245.

The spelling of 6278708668 in words is "six billion, two hundred seventy-eight million, seven hundred eight thousand, six hundred sixty-eight".