8478871 has 4 divisors (see below), whose sum is σ = 8487000. Its totient is φ = 8470744.

The previous prime is 8478863. The next prime is 8478889. The reversal of 8478871 is 1788748.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8478871 - 2³ = 8478863 is a prime.

It is a Duffinian number.

8478871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478851) 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, 2221 + ... + 4678.

It is an arithmetic number, because the mean of its divisors is an integer number (2121750).

Almost surely, 2^8478871 is an apocalyptic number.

8478871 is a deficient number, since it is larger than the sum of its proper divisors (8129).

8478871 is a wasteful number, since it uses less digits than its factorization.

8478871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8128.

The product of its digits is 100352, while the sum is 43.

The square root of 8478871 is about 2911.8500991638. The cubic root of 8478871 is about 203.9135142174.

The spelling of 8478871 in words is "eight million, four hundred seventy-eight thousand, eight hundred seventy-one".