A Munchausen Number is a number that is equal to the sum of its digits each raised to a power equal to that digit. It is also called perfect digit-to-digit invariant (PDDI) because of its feature.1 is a Munchausen number. If we consider 0^0 as 0 there is a Munchausen number 438579088. But as 0 is undefined we can't consider this number. There is another Munchausen number besides 1. What is that?