Michael is the Archangel is another name for the Son of God

"Though satan contended with Michael for the body of Moses, and claimed it as his rightful prey, he could not prevail against the Son of God, and Moses, with a resurrected and glorified body, was borne to the courts of Heaven, and was now one of the honored two, commissioned by the Father to wait upon His Son" Signs of the Times June 7, 1877 (Ellen White).