9928322739 has 32 divisors (see below), whose sum is σ = 15142848000. Its totient is φ = 6424352352.

The previous prime is 9928322689. The next prime is 9928322773. The reversal of 9928322739 is 9372238299.

It is a happy number.

9928322739 is a `hidden beast` number, since 99 + 283 + 2 + 273 + 9 = 666.

It is not a de Polignac number, because 9928322739 - 2⁸ = 9928322483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9928322039) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 406722 + ... + 430440.

It is an arithmetic number, because the mean of its divisors is an integer number (473214000).

Almost surely, 2^9928322739 is an apocalyptic number.

9928322739 is a deficient number, since it is larger than the sum of its proper divisors (5214525261).

9928322739 is a wasteful number, since it uses less digits than its factorization.

9928322739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24184 (or 24178 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 9928322739 is about 99640.9691793491. The cubic root of 9928322739 is about 2149.2748763615.

The spelling of 9928322739 in words is "nine billion, nine hundred twenty-eight million, three hundred twenty-two thousand, seven hundred thirty-nine".