8765 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.
8765 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
8765 is strictly pandigital in base 6.
It is a straight-line number, since its digits are in arithmetic progression.
It is a plaindrome in base 16.
It is a nialpdrome in base 10.
It is a congruent number.
28765 is an apocalyptic number.
It is an amenable number.
8765 is a wasteful number, since it uses less digits than its factorization.
8765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1758.
The square root of 8765 is about 93.6215787092. The cubic root of 8765 is about 20.6181948777.
The spelling of 8765 in words is "eight thousand, seven hundred sixty-five".