9928264988 has 6 divisors (see below), whose sum is σ = 17374463736. Its totient is φ = 4964132492.

The previous prime is 9928264987. The next prime is 9928264993. The reversal of 9928264988 is 8894628299.

9928264988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9928264987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1241033120 + ... + 1241033127.

It is an arithmetic number, because the mean of its divisors is an integer number (2895743956).

Almost surely, 2^9928264988 is an apocalyptic number.

It is an amenable number.

9928264988 is a deficient number, since it is larger than the sum of its proper divisors (7446198748).

9928264988 is a wasteful number, since it uses less digits than its factorization.

9928264988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482066251 (or 2482066249 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 65.

The square root of 9928264988 is about 99640.6793834727. The cubic root of 9928264988 is about 2149.2707090576.

The spelling of 9928264988 in words is "nine billion, nine hundred twenty-eight million, two hundred sixty-four thousand, nine hundred eighty-eight".