Well, it's not that ground-burrowing mammal, that's for sure, although it has been designated somehow as the mascot. And no, it's not that dark, hairy thing growing on your human skin. You can't dial this number either and expect someone to receive the call...at least, we think so.

It's Avogadro's Number. That's 602,214,150,000,000,000,000,000. To write it simpler, it's

Better yet, just call it the Mole, after all, Avogadro's Number is just the number of atoms or molecules.