6808818705 has 32 divisors (see below), whose sum is σ = 11897383680. Its totient is φ = 3304815360.

The previous prime is 6808818689. The next prime is 6808818707. The reversal of 6808818705 is 5078188086.

It is a happy number.

It is not a de Polignac number, because 6808818705 - 2⁴ = 6808818689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6808818707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232050 + ... + 259739.

It is an arithmetic number, because the mean of its divisors is an integer number (371793240).

Almost surely, 2^6808818705 is an apocalyptic number.

6808818705 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6808818705 is a deficient number, since it is larger than the sum of its proper divisors (5088564975).

6808818705 is a wasteful number, since it uses less digits than its factorization.

6808818705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491881.

The product of its (nonzero) digits is 860160, while the sum is 51.

The square root of 6808818705 is about 82515.5664405208. The cubic root of 6808818705 is about 1895.3551087377.

The spelling of 6808818705 in words is "six billion, eight hundred eight million, eight hundred eighteen thousand, seven hundred five".