9407728984 has 8 divisors (see below), whose sum is σ = 17639491860. Its totient is φ = 4703864488.

The previous prime is 9407728973. The next prime is 9407728997. The reversal of 9407728984 is 4898277049.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 587983054 + ... + 587983069.

Almost surely, 2^9407728984 is an apocalyptic number.

It is an amenable number.

9407728984 is a deficient number, since it is larger than the sum of its proper divisors (8231762876).

9407728984 is a wasteful number, since it uses less digits than its factorization.

9407728984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175966129 (or 1175966125 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The square root of 9407728984 is about 96993.4481498622. The cubic root of 9407728984 is about 2111.0325639531.

The spelling of 9407728984 in words is "nine billion, four hundred seven million, seven hundred twenty-eight thousand, nine hundred eighty-four".