871811038 has 12 divisors (see below), whose sum is σ = 1521221472. Its totient is φ = 373633260.

The previous prime is 871810967. The next prime is 871811147. The reversal of 871811038 is 830118178.

It is a junction number, because it is equal to n+sod(n) for n = 871810988 and 871811006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4447918 + ... + 4448113.

It is an arithmetic number, because the mean of its divisors is an integer number (126768456).

Almost surely, 2^871811038 is an apocalyptic number.

871811038 is a deficient number, since it is larger than the sum of its proper divisors (649410434).

871811038 is a wasteful number, since it uses less digits than its factorization.

871811038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8896047 (or 8896040 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 37.

The square root of 871811038 is about 29526.4464167295. The cubic root of 871811038 is about 955.3022217187.

The spelling of 871811038 in words is "eight hundred seventy-one million, eight hundred eleven thousand, thirty-eight".