Thread:Zf6hellion/@comment-5651818-20151022163529/@comment-30807545-20151022190532

Ōhirume-no-muchi-no-kami (大日孁貴神, lit. "Noble Shrine Maiden Goddess of the Great Sun")

Alternate name for Amaterasu, but it's long-winded for my taste.

Then there's Sanranshou no Saiten (燦爛照の最天, lit. "Brightest Illumination of the Highest Heaven")

Either works.