That text appears to be a specific for a video file. In internet culture and technical contexts, filenames like this often point to:
Sometimes specific filenames become "interesting" because they are associated with a cryptic or famous video shared in niche communities (like 4chan or specific Discord servers). 8928097.mp4
Without more context, it's just a generic ID. Knowing the platform or the topic of the discussion where you saw it would help identify the actual content of the video. That text appears to be a specific for a video file