9428127684 has 12 divisors (see below), whose sum is σ = 21998964624. Its totient is φ = 3142709224.

The previous prime is 9428127677. The next prime is 9428127707. The reversal of 9428127684 is 4867218249.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392838642 + ... + 392838665.

It is an arithmetic number, because the mean of its divisors is an integer number (1833247052).

Almost surely, 2^9428127684 is an apocalyptic number.

It is an amenable number.

9428127684 is an abundant number, since it is smaller than the sum of its proper divisors (12570836940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9428127684 is a wasteful number, since it uses less digits than its factorization.

9428127684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785677314 (or 785677312 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The square root of 9428127684 is about 97098.5462507035. The cubic root of 9428127684 is about 2112.5572405810.

The spelling of 9428127684 in words is "nine billion, four hundred twenty-eight million, one hundred twenty-seven thousand, six hundred eighty-four".