Just wanted to post about this, I found the limit to my phones calculator, the highest number it will let me calculate,
((73^(8!))(100^64))4.19011491896739837417198557954322597113540162055343152890743978756505930359148354188812220378166091526962694695950776255742062587
Resulting in
6.30878883E75257
12 months ago