8987 has 8 divisors (see below), whose sum is σ = 10560. Its totient is φ = 7560.

The previous prime is 8971. The next prime is 8999. The reversal of 8987 is 7898.

8987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

8987 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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 8987 - 2⁴ = 8971 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (8087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188 + ... + 230.

It is an arithmetic number, because the mean of its divisors is an integer number (1320).

2⁸⁹⁸⁷ is an apocalyptic number.

8987 is a deficient number, since it is larger than the sum of its proper divisors (1573).

8987 is a wasteful number, since it uses less digits than its factorization.

8987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73.

The product of its digits is 4032, while the sum is 32.

The square root of 8987 is about 94.7997890293. The cubic root of 8987 is about 20.7908181861.

Subtracting from 8987 its reverse (7898), we obtain a square (1089 = 33²).

The spelling of 8987 in words is "eight thousand, nine hundred eighty-seven".