871672532 has 24 divisors (see below), whose sum is σ = 1537408320. Its totient is φ = 432423360.

The previous prime is 871672523. The next prime is 871672553. The reversal of 871672532 is 235276178.

It is a self number, because there is not a number n which added to its sum of digits gives 871672532.

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 7 ways as a sum of consecutive naturals, for example, 540944 + ... + 542552.

It is an arithmetic number, because the mean of its divisors is an integer number (64058680).

Almost surely, 2^871672532 is an apocalyptic number.

It is an amenable number.

871672532 is a deficient number, since it is larger than the sum of its proper divisors (665735788).

871672532 is a wasteful number, since it uses less digits than its factorization.

871672532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591 (or 2589 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 871672532 is about 29524.1008669189. The cubic root of 871672532 is about 955.2516289139.

The spelling of 871672532 in words is "eight hundred seventy-one million, six hundred seventy-two thousand, five hundred thirty-two".