6878751256 has 16 divisors (see below), whose sum is σ = 13889786400. Its totient is φ = 3174808224.

The previous prime is 6878751167. The next prime is 6878751281. The reversal of 6878751256 is 6521578786.

It is a junction number, because it is equal to n+sod(n) for n = 6878751197 and 6878751206.

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, 33070816 + ... + 33071023.

It is an arithmetic number, because the mean of its divisors is an integer number (868111650).

Almost surely, 2^6878751256 is an apocalyptic number.

It is an amenable number.

6878751256 is an abundant number, since it is smaller than the sum of its proper divisors (7011035144).

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

6878751256 is a wasteful number, since it uses less digits than its factorization.

6878751256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66141858 (or 66141854 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 55.

The square root of 6878751256 is about 82938.2375988301. The cubic root of 6878751256 is about 1901.8220062440.

The spelling of 6878751256 in words is "six billion, eight hundred seventy-eight million, seven hundred fifty-one thousand, two hundred fifty-six".