871996368 has 80 divisors (see below), whose sum is σ = 2412167040. Its totient is φ = 270471168.

The previous prime is 871996361. The next prime is 871996379. The reversal of 871996368 is 863699178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871996361) 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, 66621 + ... + 78627.

It is an arithmetic number, because the mean of its divisors is an integer number (30152088).

Almost surely, 2^871996368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871996368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206083520).

871996368 is an abundant number, since it is smaller than the sum of its proper divisors (1540170672).

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

871996368 is a wasteful number, since it uses less digits than its factorization.

871996368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12124 (or 12118 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 57.

The square root of 871996368 is about 29529.5846228829. The cubic root of 871996368 is about 955.3699097876.

The spelling of 871996368 in words is "eight hundred seventy-one million, nine hundred ninety-six thousand, three hundred sixty-eight".