6778441863 has 12 divisors (see below), whose sum is σ = 9822569328. Its totient is φ = 4504428960.

The previous prime is 6778441853. The next prime is 6778441871. The reversal of 6778441863 is 3681448776.

It is not a de Polignac number, because 6778441863 - 2⁶ = 6778441799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778441853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1208070 + ... + 1213667.

It is an arithmetic number, because the mean of its divisors is an integer number (818547444).

Almost surely, 2^6778441863 is an apocalyptic number.

6778441863 is a deficient number, since it is larger than the sum of its proper divisors (3044127465).

6778441863 is a wasteful number, since it uses less digits than its factorization.

6778441863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422054 (or 2422051 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 6778441863 is about 82331.2933397745. The cubic root of 6778441863 is about 1892.5322628806.

The spelling of 6778441863 in words is "six billion, seven hundred seventy-eight million, four hundred forty-one thousand, eight hundred sixty-three".