871605167 has 2 divisors, whose sum is σ = 871605168. Its totient is φ = 871605166.

The previous prime is 871605103. The next prime is 871605187. The reversal of 871605167 is 761506178.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 871605167 - 2⁶ = 871605103 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871605187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435802583 + 435802584.

It is an arithmetic number, because the mean of its divisors is an integer number (435802584).

Almost surely, 2^871605167 is an apocalyptic number.

871605167 is a deficient number, since it is larger than the sum of its proper divisors (1).

871605167 is an equidigital number, since it uses as much as digits as its factorization.

871605167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 871605167 is about 29522.9599972631. The cubic root of 871605167 is about 955.2270202138.

The spelling of 871605167 in words is "eight hundred seventy-one million, six hundred five thousand, one hundred sixty-seven".