871161867 has 6 divisors (see below), whose sum is σ = 1258344932. Its totient is φ = 580774572.

The previous prime is 871161859. The next prime is 871161871. The reversal of 871161867 is 768161178.

It is a happy number.

871161867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 871161867 - 2³ = 871161859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871161847) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48397873 + ... + 48397890.

Almost surely, 2^871161867 is an apocalyptic number.

871161867 is a deficient number, since it is larger than the sum of its proper divisors (387183065).

871161867 is a wasteful number, since it uses less digits than its factorization.

871161867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96795769 (or 96795766 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The square root of 871161867 is about 29515.4513263816. The cubic root of 871161867 is about 955.0650493414.

The spelling of 871161867 in words is "eight hundred seventy-one million, one hundred sixty-one thousand, eight hundred sixty-seven".