871973924 has 12 divisors (see below), whose sum is σ = 1526974848. Its totient is φ = 435695400.

The previous prime is 871973903. The next prime is 871973929. The reversal of 871973924 is 429379178.

It is not an unprimeable number, because it can be changed into a prime (871973929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66092 + ... + 78179.

It is an arithmetic number, because the mean of its divisors is an integer number (127247904).

Almost surely, 2^871973924 is an apocalyptic number.

It is an amenable number.

871973924 is a deficient number, since it is larger than the sum of its proper divisors (655000924).

871973924 is a wasteful number, since it uses less digits than its factorization.

871973924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145786 (or 145784 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The square root of 871973924 is about 29529.2045947736. The cubic root of 871973924 is about 955.3617130768.

The spelling of 871973924 in words is "eight hundred seventy-one million, nine hundred seventy-three thousand, nine hundred twenty-four".