128964006228 has 24 divisors (see below), whose sum is σ = 301103312832. Its totient is φ = 42961245184.

The previous prime is 128964006209. The next prime is 128964006239. The reversal of 128964006228 is 822600469821.

It is a happy number.

128964006228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 3324525 + ... + 3363092.

It is an arithmetic number, because the mean of its divisors is an integer number (12545971368).

Almost surely, 2^128964006228 is an apocalyptic number.

It is an amenable number.

128964006228 is an abundant number, since it is smaller than the sum of its proper divisors (172139306604).

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

128964006228 is a wasteful number, since it uses less digits than its factorization.

128964006228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689231 (or 6689229 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 128964006228 in words is "one hundred twenty-eight billion, nine hundred sixty-four million, six thousand, two hundred twenty-eight".