6868455775 has 12 divisors (see below), whose sum is σ = 8518286392. Its totient is φ = 5493860640.

The previous prime is 6868455773. The next prime is 6868455859. The reversal of 6868455775 is 5775548686.

It is not a de Polignac number, because 6868455775 - 2¹ = 6868455773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868455773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161944 + ... + 199906.

Almost surely, 2^6868455775 is an apocalyptic number.

6868455775 is a deficient number, since it is larger than the sum of its proper divisors (1649830617).

6868455775 is a wasteful number, since it uses less digits than its factorization.

6868455775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45210 (or 45205 counting only the distinct ones).

The product of its digits is 56448000, while the sum is 61.

The square root of 6868455775 is about 82876.1472017130. The cubic root of 6868455775 is about 1900.8727085042.

The spelling of 6868455775 in words is "six billion, eight hundred sixty-eight million, four hundred fifty-five thousand, seven hundred seventy-five".