6868855880 has 64 divisors (see below), whose sum is σ = 15582294000. Its totient is φ = 2724986880.

The previous prime is 6868855853. The next prime is 6868855891. The reversal of 6868855880 is 885588686.

It can be written as a sum of positive squares in 8 ways, for example, as 19307236 + 6849548644 = 4394^2 + 82762^2 .

It is a super-2 number, since 2×6868855880² = 94362362200421148800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3249704 + ... + 3251816.

Almost surely, 2^6868855880 is an apocalyptic number.

It is an amenable number.

6868855880 is an abundant number, since it is smaller than the sum of its proper divisors (8713438120).

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

6868855880 is a wasteful number, since it uses less digits than its factorization.

6868855880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754 (or 2750 counting only the distinct ones).

The product of its (nonzero) digits is 29491200, while the sum is 62.

The square root of 6868855880 is about 82878.5610396320. The cubic root of 6868855880 is about 1900.9096180092.

The spelling of 6868855880 in words is "six billion, eight hundred sixty-eight million, eight hundred fifty-five thousand, eight hundred eighty".