6808351117 has 4 divisors (see below), whose sum is σ = 6875760636. Its totient is φ = 6740941600.

The previous prime is 6808351027. The next prime is 6808351129. The reversal of 6808351117 is 7111538086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2981815236 + 3826535881 = 54606^2 + 61859^2 .

It is a cyclic number.

It is not a de Polignac number, because 6808351117 - 2¹¹ = 6808349069 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6808351117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6808351817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33704608 + ... + 33704809.

It is an arithmetic number, because the mean of its divisors is an integer number (1718940159).

Almost surely, 2^6808351117 is an apocalyptic number.

It is an amenable number.

6808351117 is a deficient number, since it is larger than the sum of its proper divisors (67409519).

6808351117 is a wasteful number, since it uses less digits than its factorization.

6808351117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67409518.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 6808351117 is about 82512.7330598133. The cubic root of 6808351117 is about 1895.3117206146.

The spelling of 6808351117 in words is "six billion, eight hundred eight million, three hundred fifty-one thousand, one hundred seventeen".