871948532 has 192 divisors, whose sum is σ = 2107392000. Its totient is φ = 312439680.

The previous prime is 871948531. The next prime is 871948537. The reversal of 871948532 is 235849178.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871948531) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 10505363 + ... + 10505445.

It is an arithmetic number, because the mean of its divisors is an integer number (10976000).

Almost surely, 2^871948532 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 871948532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053696000).

871948532 is an abundant number, since it is smaller than the sum of its proper divisors (1235443468).

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

871948532 is a wasteful number, since it uses less digits than its factorization.

871948532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 155 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 871948532 is about 29528.7746444041. The cubic root of 871948532 is about 955.3524395655.

The spelling of 871948532 in words is "eight hundred seventy-one million, nine hundred forty-eight thousand, five hundred thirty-two".