It is narrated from Sayyiduna Sahl bin Sa'd (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "Seventy thousand and seven hundred thousand of my nation will enter Paradise holding on to one another, their faces like the moon on the night of the full moon."
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 5877