Declension table of ?saptasapti

Masculine	Singular	Dual	Plural
Nominative	saptasaptiḥ	saptasaptī	saptasaptayaḥ
Vocative	saptasapte	saptasaptī	saptasaptayaḥ
Accusative	saptasaptim	saptasaptī	saptasaptīn
Instrumental	saptasaptinā	saptasaptibhyām	saptasaptibhiḥ
Dative	saptasaptaye	saptasaptibhyām	saptasaptibhyaḥ
Ablative	saptasapteḥ	saptasaptibhyām	saptasaptibhyaḥ
Genitive	saptasapteḥ	saptasaptyoḥ	saptasaptīnām
Locative	saptasaptau	saptasaptyoḥ	saptasaptiṣu

Compound saptasapti -

Adverb -saptasapti