How many times bigger is the elliptical galaxy Messier 87 than the Milky Way?

The elliptical galaxy Messier 87 (M87) is approximately 6.5 times more massive than the Milky Way. While the Milky Way has a mass estimated at about 1 trillion solar masses, M87's mass is estimated to be around 6.5 trillion solar masses. Additionally, M87 is larger in size, with a diameter roughly 2-3 times that of the Milky Way.