6818884808 has 16 divisors (see below), whose sum is σ = 13130961180. Its totient is φ = 3317295168.

The previous prime is 6818884789. The next prime is 6818884843. The reversal of 6818884808 is 8084888186.

It can be written as a sum of positive squares in 2 ways, for example, as 6499261924 + 319622884 = 80618^2 + 17878^2 .

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 3 ways as a sum of consecutive naturals, for example, 11518091 + ... + 11518682.

Almost surely, 2^6818884808 is an apocalyptic number.

It is an amenable number.

6818884808 is a deficient number, since it is larger than the sum of its proper divisors (6312076372).

6818884808 is a wasteful number, since it uses less digits than its factorization.

6818884808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23036816 (or 23036812 counting only the distinct ones).

The product of its (nonzero) digits is 6291456, while the sum is 59.

The square root of 6818884808 is about 82576.5390895017. The cubic root of 6818884808 is about 1896.2886747636.

The spelling of 6818884808 in words is "six billion, eight hundred eighteen million, eight hundred eighty-four thousand, eight hundred eight".