9928924879 has 2 divisors, whose sum is σ = 9928924880. Its totient is φ = 9928924878.

The previous prime is 9928924853. The next prime is 9928924891. The reversal of 9928924879 is 9784298299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9928924879 - 2⁷ = 9928924751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9928924849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4964462439 + 4964462440.

It is an arithmetic number, because the mean of its divisors is an integer number (4964462440).

Almost surely, 2^9928924879 is an apocalyptic number.

9928924879 is a deficient number, since it is larger than the sum of its proper divisors (1).

9928924879 is an equidigital number, since it uses as much as digits as its factorization.

9928924879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47029248, while the sum is 67.

The square root of 9928924879 is about 99643.9906818269. The cubic root of 9928924879 is about 2149.3183257351.

The spelling of 9928924879 in words is "nine billion, nine hundred twenty-eight million, nine hundred twenty-four thousand, eight hundred seventy-nine".