871688376 has 96 divisors (see below), whose sum is σ = 2562792960. Its totient is φ = 266063616.

The previous prime is 871688357. The next prime is 871688383. The reversal of 871688376 is 673886178.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115206 + ... + 122538.

It is an arithmetic number, because the mean of its divisors is an integer number (26695760).

Almost surely, 2^871688376 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 871688376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281396480).

871688376 is an abundant number, since it is smaller than the sum of its proper divisors (1691104584).

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

871688376 is a wasteful number, since it uses less digits than its factorization.

871688376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7485 (or 7478 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 871688376 is about 29524.3691888582. The cubic root of 871688376 is about 955.2574166054.

The spelling of 871688376 in words is "eight hundred seventy-one million, six hundred eighty-eight thousand, three hundred seventy-six".