Adding to 87000 its reverse (78), we get a palindrome (87078).
It is a nialpdrome in base 10.
It is a congruent number.
It is an unprimeable number.
87000 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
287000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87000 is a wasteful number, since it uses less digits than its factorization.
87000 is an odious number, because the sum of its binary digits is odd.
The square root of 87000 is about 294.9576240751. The cubic root of 87000 is about 44.3104762169.
The spelling of 87000 in words is "eighty-seven thousand".