8616871 has 4 divisors (see below), whose sum is σ = 8661712. Its totient is φ = 8572032.

The previous prime is 8616869. The next prime is 8616887. The reversal of 8616871 is 1786168.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8616871 - 2¹ = 8616869 is a prime.

It is a Duffinian number.

8616871 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8616871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8616821) 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, 22131 + ... + 22516.

It is an arithmetic number, because the mean of its divisors is an integer number (2165428).

Almost surely, 2^8616871 is an apocalyptic number.

8616871 is a deficient number, since it is larger than the sum of its proper divisors (44841).

8616871 is a wasteful number, since it uses less digits than its factorization.

8616871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44840.

The product of its digits is 16128, while the sum is 37.

The square root of 8616871 is about 2935.4507320001. The cubic root of 8616871 is about 205.0138479640.

The spelling of 8616871 in words is "eight million, six hundred sixteen thousand, eight hundred seventy-one".