https://www.discovermagazine.com/the-sciences/earth-may-be-a-1-in-700-quintillion-kind-of-place
That would be 1 in 700,000,000,000,000,000,000!
Our home, Earth, is the third planet from the sun and the only world known to support an atmosphere with free oxygen, oceans of liquid water on the surface and — the big one — life. Earth is one of the four terrestrial planet: Like Mercury, Venus and Mars, it is rocky at the surface.