6256631878 has 16 divisors (see below), whose sum is σ = 10872583200. Its totient is φ = 2644681536.

The previous prime is 6256631863. The next prime is 6256631933. The reversal of 6256631878 is 8781366526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3059953 + ... + 3061996.

It is an arithmetic number, because the mean of its divisors is an integer number (679536450).

Almost surely, 2^6256631878 is an apocalyptic number.

6256631878 is a deficient number, since it is larger than the sum of its proper divisors (4615951322).

6256631878 is a wasteful number, since it uses less digits than its factorization.

6256631878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6122031.

The product of its digits is 2903040, while the sum is 52.

The square root of 6256631878 is about 79098.8740627830. The cubic root of 6256631878 is about 1842.6670402780.

The spelling of 6256631878 in words is "six billion, two hundred fifty-six million, six hundred thirty-one thousand, eight hundred seventy-eight".