7867 is nontrivially palindromic in base 9.
7867 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7867 is a prime.
It is a plaindrome in base 12.
27867 is an apocalyptic number.
7867 is an equidigital number, since it uses as much as digits as its factorization.
7867 is an evil number, because the sum of its binary digits is even.
The square root of 7867 is about 88.6961103995. The cubic root of 7867 is about 19.8885467288. Note that the first 3 decimals are identical.
The spelling of 7867 in words is "seven thousand, eight hundred sixty-seven".