seven7721K Followers, 1,371 Following, 50 Posts - SEVEN77 (@djseven77_) on : 📍IBIZA OWNER : @groovetime_records DEMOS: [email protected] The only oblationThus, the correct spelling of 77 is seventy-seven (hyphenated). Along the same s: 77,000 = seventy-seven thousand (hyphenated). 77,000,000 = seventy-seven million