9667871 has 2 divisors, whose sum is σ = 9667872. Its totient is φ = 9667870.

The previous prime is 9667859. The next prime is 9667873. The reversal of 9667871 is 1787669.

9667871 is digitally balanced in base 2 and base 3, because in such bases 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 9667871 - 2⁶ = 9667807 is a prime.

Together with 9667873, 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 (9667873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4833935 + 4833936.

It is an arithmetic number, because the mean of its divisors is an integer number (4833936).

Almost surely, 2^9667871 is an apocalyptic number.

9667871 is a deficient number, since it is larger than the sum of its proper divisors (1).

9667871 is an equidigital number, since it uses as much as digits as its factorization.

9667871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 44.

The square root of 9667871 is about 3109.3200221270. The cubic root of 9667871 is about 213.0313971365.

The spelling of 9667871 in words is "nine million, six hundred sixty-seven thousand, eight hundred seventy-one".