8117958659 has 2 divisors, whose sum is σ = 8117958660. Its totient is φ = 8117958658.

The previous prime is 8117958637. The next prime is 8117958689. The reversal of 8117958659 is 9568597118.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8117958659 - 2¹⁶ = 8117893123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8117958598 and 8117958607.

It is not a weakly prime, because it can be changed into another prime (8117958689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4058979329 + 4058979330.

It is an arithmetic number, because the mean of its divisors is an integer number (4058979330).

Almost surely, 2^8117958659 is an apocalyptic number.

8117958659 is a deficient number, since it is larger than the sum of its proper divisors (1).

8117958659 is an equidigital number, since it uses as much as digits as its factorization.

8117958659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 59.

The square root of 8117958659 is about 90099.7150883398. The cubic root of 8117958659 is about 2009.7819668122.

The spelling of 8117958659 in words is "eight billion, one hundred seventeen million, nine hundred fifty-eight thousand, six hundred fifty-nine".