8668571 has 2 divisors, whose sum is σ = 8668572. Its totient is φ = 8668570.

The previous prime is 8668553. The next prime is 8668577. The reversal of 8668571 is 1758668.

8668571 is digitally balanced in base 3, 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 8668571 - 2¹⁴ = 8652187 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8668577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4334285 + 4334286.

It is an arithmetic number, because the mean of its divisors is an integer number (4334286).

Almost surely, 2^8668571 is an apocalyptic number.

8668571 is a deficient number, since it is larger than the sum of its proper divisors (1).

8668571 is an equidigital number, since it uses as much as digits as its factorization.

8668571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The square root of 8668571 is about 2944.2437059456. The cubic root of 8668571 is about 205.4230486428.

Subtracting from 8668571 its reverse (1758668), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 8668571 in words is "eight million, six hundred sixty-eight thousand, five hundred seventy-one".