Based on a search of available public information, there is no widely recognized or specific content associated with the filename "87047.mp4".
Look at where the file is saved on your computer or phone to see which application created it (e.g., WhatsApp, a screen recorder, or a download folder). 87047.mp4
Open it with a media player like VLC Media Player to view the contents. If you can share: Based on a search of available public information,
from a website, social media app, or cloud storage. A personal video recording from a digital camera. How to identify the content: If you can share: from a website, social
Because this is a generic numerical filename, it is likely one of the following: on your device.
did you find this file (e.g., a specific website URL)? What is the file size? I might be able to help identify it further.