6868662555 has 32 divisors (see below), whose sum is σ = 11269274688. Its totient is φ = 3570329600.

The previous prime is 6868662547. The next prime is 6868662587. The reversal of 6868662555 is 5552668686.

6868662555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6868662555 - 2³ = 6868662547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6868662495 and 6868662504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669565 + ... + 679745.

It is an arithmetic number, because the mean of its divisors is an integer number (352164834).

Almost surely, 2^6868662555 is an apocalyptic number.

6868662555 is a deficient number, since it is larger than the sum of its proper divisors (4400612133).

6868662555 is a wasteful number, since it uses less digits than its factorization.

6868662555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11327.

The product of its digits is 20736000, while the sum is 57.

The square root of 6868662555 is about 82877.3947165329. The cubic root of 6868662555 is about 1900.8917840445.

The spelling of 6868662555 in words is "six billion, eight hundred sixty-eight million, six hundred sixty-two thousand, five hundred fifty-five".