8102343817 has 2 divisors, whose sum is σ = 8102343818. Its totient is φ = 8102343816.

The previous prime is 8102343797. The next prime is 8102343827. The reversal of 8102343817 is 7183432018.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7855099641 + 247244176 = 88629^2 + 15724^2 .

It is a cyclic number.

It is not a de Polignac number, because 8102343817 - 2²³ = 8093955209 is a prime.

It is not a weakly prime, because it can be changed into another prime (8102343827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4051171908 + 4051171909.

It is an arithmetic number, because the mean of its divisors is an integer number (4051171909).

Almost surely, 2^8102343817 is an apocalyptic number.

It is an amenable number.

8102343817 is a deficient number, since it is larger than the sum of its proper divisors (1).

8102343817 is an equidigital number, since it uses as much as digits as its factorization.

8102343817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 8102343817 is about 90013.0202637374. The cubic root of 8102343817 is about 2008.4925387669.

The spelling of 8102343817 in words is "eight billion, one hundred two million, three hundred forty-three thousand, eight hundred seventeen".