871267117 has 16 divisors (see below), whose sum is σ = 1047232512. Its totient is φ = 708689520.

The previous prime is 871267109. The next prime is 871267123. The reversal of 871267117 is 711762178.

It is not a de Polignac number, because 871267117 - 2³ = 871267109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 871267117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871267127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859 + ... + 41752.

It is an arithmetic number, because the mean of its divisors is an integer number (65452032).

Almost surely, 2^871267117 is an apocalyptic number.

It is an amenable number.

871267117 is a deficient number, since it is larger than the sum of its proper divisors (175965395).

871267117 is a wasteful number, since it uses less digits than its factorization.

871267117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42768.

The product of its digits is 32928, while the sum is 40.

The square root of 871267117 is about 29517.2342369674. The cubic root of 871267117 is about 955.1035100654.

The spelling of 871267117 in words is "eight hundred seventy-one million, two hundred sixty-seven thousand, one hundred seventeen".