8687871 has 16 divisors (see below), whose sum is σ = 12935520. Its totient is φ = 5762880.

The previous prime is 8687827. The next prime is 8687873. The reversal of 8687871 is 1787868.

8687871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8687871 - 2⁹ = 8687359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8687873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5601 + ... + 6981.

It is an arithmetic number, because the mean of its divisors is an integer number (808470).

Almost surely, 2^8687871 is an apocalyptic number.

8687871 is a deficient number, since it is larger than the sum of its proper divisors (4247649).

8687871 is a wasteful number, since it uses less digits than its factorization.

8687871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623 (or 1617 counting only the distinct ones).

The product of its digits is 150528, while the sum is 45.

The square root of 8687871 is about 2947.5194655846. The cubic root of 8687871 is about 205.5753892504.

The spelling of 8687871 in words is "eight million, six hundred eighty-seven thousand, eight hundred seventy-one".