If you found this on a website, it is often a direct link to a content delivery network (CDN) where the name corresponds to a database ID rather than a descriptive title. How to Identify and Open the Video
You can often drag and drop the .mp4 file directly into a Chrome or Firefox window to play it. Safety Warning 3187800576.mp4
If your standard player won't open it, the VLC Media Player is a reliable, free tool that supports almost all MP4 codecs. If you found this on a website, it