8497871 has 2 divisors, whose sum is σ = 8497872. Its totient is φ = 8497870.

The previous prime is 8497859. The next prime is 8497873. The reversal of 8497871 is 1787948.

8497871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8497871 - 2¹⁸ = 8235727 is a prime.

It is a Sophie Germain prime.

Together with 8497873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8497873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4248935 + 4248936.

It is an arithmetic number, because the mean of its divisors is an integer number (4248936).

Almost surely, 2^8497871 is an apocalyptic number.

8497871 is a deficient number, since it is larger than the sum of its proper divisors (1).

8497871 is an equidigital number, since it uses as much as digits as its factorization.

8497871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 44.

The square root of 8497871 is about 2915.1108040690. The cubic root of 8497871 is about 204.0657147638.

The spelling of 8497871 in words is "eight million, four hundred ninety-seven thousand, eight hundred seventy-one".