three billion one hundred twenty seven million seven hundred sixty three thousand eight hundred twenty one Pronunciation in english(IPA) :
θriː ˈbɪljən wʌn ˈhʌndrəd ˈtwɛnti ˈsɛv(ə)n ˈmɪljən ˈsɛv(ə)n ˈhʌndrəd ˈsɪksti θriː ˈθaʊz(ə)nd eɪt ˈhʌndrəd ˈtwɛnti wʌn