8117740663 has 2 divisors, whose sum is σ = 8117740664. Its totient is φ = 8117740662.

The previous prime is 8117740661. The next prime is 8117740699. The reversal of 8117740663 is 3660477118.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8117740663 - 2¹ = 8117740661 is a prime.

Together with 8117740661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8117740661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4058870331 + 4058870332.

It is an arithmetic number, because the mean of its divisors is an integer number (4058870332).

Almost surely, 2^8117740663 is an apocalyptic number.

8117740663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8117740663 is an equidigital number, since it uses as much as digits as its factorization.

8117740663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 8117740663 is about 90098.5053316646. The cubic root of 8117740663 is about 2009.7639767250.

The spelling of 8117740663 in words is "eight billion, one hundred seventeen million, seven hundred forty thousand, six hundred sixty-three".