Octseptseptium (Oss)

Octseptseptium is the systematic name of the theoretical 877. element in the periodic table with a symbol of Oss and atomic number of 877. Octseptseptium, also known as element 877, has acht­hundert­sieben­und­siebzig protons in its nucleus, and acht­hundert­sieben­und­siebzig electrons in its shells.