871879124 has 12 divisors (see below), whose sum is σ = 1592127264. Its totient is φ = 416985624.

The previous prime is 871879103. The next prime is 871879157. The reversal of 871879124 is 421978178.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4738382 + ... + 4738565.

It is an arithmetic number, because the mean of its divisors is an integer number (132677272).

Almost surely, 2^871879124 is an apocalyptic number.

It is an amenable number.

871879124 is a deficient number, since it is larger than the sum of its proper divisors (720248140).

871879124 is a wasteful number, since it uses less digits than its factorization.

871879124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476974 (or 9476972 counting only the distinct ones).

The product of its digits is 225792, while the sum is 47.

The square root of 871879124 is about 29527.5993605982. The cubic root of 871879124 is about 955.3270898806.

The spelling of 871879124 in words is "eight hundred seventy-one million, eight hundred seventy-nine thousand, one hundred twenty-four".