871732438500 has 768 divisors, whose sum is σ = 3228993331200. Its totient is φ = 177509376000.

The previous prime is 871732438397. The next prime is 871732438541. The reversal of 871732438500 is 5834237178.

It is a self number, because there is not a number n which added to its sum of digits gives 871732438500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1408291191 + ... + 1408291809.

It is an arithmetic number, because the mean of its divisors is an integer number (4204418400).

Almost surely, 2^871732438500 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 871732438500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1614496665600).

871732438500 is an abundant number, since it is smaller than the sum of its proper divisors (2357260892700).

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

871732438500 is a wasteful number, since it uses less digits than its factorization.

871732438500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 871732438500 in words is "eight hundred seventy-one billion, seven hundred thirty-two million, four hundred thirty-eight thousand, five hundred".