: While the EPUB format itself is generally safe and rarely contains malware, files with long, nonsensical strings of numbers and letters (like yours) are often found on third-party file-hosting sites and can carry a higher risk of being corrupted or mislabeled.
Since the query refers to an (Electronic Publication) file, here is a technical review of the format that would apply to a file with such a name: 000250011tyyylidejlibroland5705 epub
: Most modern e-readers and apps, including Apple Books , Google Play Books , and modern Kindle devices, support the EPUB format. : While the EPUB format itself is generally