8162958917 has 2 divisors, whose sum is σ = 8162958918. Its totient is φ = 8162958916.

The previous prime is 8162958887. The next prime is 8162958941. The reversal of 8162958917 is 7198592618.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8099820001 + 63138916 = 89999^2 + 7946^2 .

It is a cyclic number.

It is not a de Polignac number, because 8162958917 - 2²² = 8158764613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8162958977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4081479458 + 4081479459.

It is an arithmetic number, because the mean of its divisors is an integer number (4081479459).

Almost surely, 2^8162958917 is an apocalyptic number.

It is an amenable number.

8162958917 is a deficient number, since it is larger than the sum of its proper divisors (1).

8162958917 is an equidigital number, since it uses as much as digits as its factorization.

8162958917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 56.

The square root of 8162958917 is about 90349.0947215300. The cubic root of 8162958917 is about 2013.4887322824.

The spelling of 8162958917 in words is "eight billion, one hundred sixty-two million, nine hundred fifty-eight thousand, nine hundred seventeen".