8687 has 8 divisors (see below), whose sum is σ = 10656. Its totient is φ = 6912.

The previous prime is 8681. The next prime is 8689. The reversal of 8687 is 7868.

8687 = T₂₈ + T₂₉ + ... + T₄₁.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8687 - 2⁶ = 8623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83 + ... + 155.

It is an arithmetic number, because the mean of its divisors is an integer number (1332).

2⁸⁶⁸⁷ is an apocalyptic number.

8687 is a deficient number, since it is larger than the sum of its proper divisors (1969).

8687 is a wasteful number, since it uses less digits than its factorization.

8687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97.

The product of its digits is 2688, while the sum is 29.

The square root of 8687 is about 93.2040771640. The cubic root of 8687 is about 20.5568519054.

The spelling of 8687 in words is "eight thousand, six hundred eighty-seven".