808 = 23 x 101.
808 has a representation as a sum of two squares: 808 = 182 + 222.
The first 808 digits of 808! form a prime number.
808 is a strobogrammatic number. It is the same number when rotated 180 degrees on an axis perpendicular to the plane on which the number is written.
The 808th Fibonacci number plus and minus 808 results in (132)-digit primes.
Source: Prime Curios!