9928055211 has 8 divisors (see below), whose sum is σ = 13338456384. Its totient is φ = 6568178760.

The previous prime is 9928055153. The next prime is 9928055239. The reversal of 9928055211 is 1125508299.

9928055211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9928055211 - 2⁶ = 9928055147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9928055251) 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 in 7 ways as a sum of consecutive naturals, for example, 12630721 + ... + 12631506.

It is an arithmetic number, because the mean of its divisors is an integer number (1667307048).

Almost surely, 2^9928055211 is an apocalyptic number.

9928055211 is a deficient number, since it is larger than the sum of its proper divisors (3410401173).

9928055211 is a wasteful number, since it uses less digits than its factorization.

9928055211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25262361.

The product of its (nonzero) digits is 64800, while the sum is 42.

The square root of 9928055211 is about 99639.6267104609. The cubic root of 9928055211 is about 2149.2555714434.

The spelling of 9928055211 in words is "nine billion, nine hundred twenty-eight million, fifty-five thousand, two hundred eleven".