28064704606244 has 12 divisors (see below), whose sum is σ = 49239488161500. Its totient is φ = 13996279417248.

The previous prime is 28064704606243. The next prime is 28064704606283. The reversal of 28064704606244 is 44260640746082.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2677516961344 + 25387187644900 = 1636312^2 + 5038570^2 .

It is not an unprimeable number, because it can be changed into a prime (28064704606241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9018219719 + ... + 9018222830.

It is an arithmetic number, because the mean of its divisors is an integer number (4103290680125).

Almost surely, 2^{28064704606244} is an apocalyptic number.

It is an amenable number.

28064704606244 is a deficient number, since it is larger than the sum of its proper divisors (21174783555256).

28064704606244 is a wasteful number, since it uses less digits than its factorization.

28064704606244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18036442942 (or 18036442940 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 53.

The spelling of 28064704606244 in words is "twenty-eight trillion, sixty-four billion, seven hundred four million, six hundred six thousand, two hundred forty-four".