871233894 has 80 divisors (see below), whose sum is σ = 2018117376. Its totient is φ = 280713600.

The previous prime is 871233893. The next prime is 871233899. The reversal of 871233894 is 498332178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871233893) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1144474 + ... + 1145234.

Almost surely, 2^871233894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871233894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009058688).

871233894 is an abundant number, since it is smaller than the sum of its proper divisors (1146883482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871233894 is a wasteful number, since it uses less digits than its factorization.

871233894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 994 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 871233894 is about 29516.6714586859. The cubic root of 871233894 is about 955.0913699664.

The spelling of 871233894 in words is "eight hundred seventy-one million, two hundred thirty-three thousand, eight hundred ninety-four".