Google hid another nerdy math joke in its latest earnings report (GOOG, GOOGL)

Google announced a very specific share buyback in its earnings report.
The number given is a "perfect number."
Google has a history of making mathematical references.In its Q4 earnings report on Thursday, Google's parent company Alphabet announced plans to buy back some of its stock — $8,589,869,056 of stock to be exact.
There's a likely reason Google chose that specific value for their planned buyback: It's what mathematicians call a "perfect number."
Perfect numbers are wh