28068002728322 has 4 divisors (see below), whose sum is σ = 42102004092486. Its totient is φ = 14034001364160.

The previous prime is 28068002728309. The next prime is 28068002728327. The reversal of 28068002728322 is 22382720086082.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24988711274641 + 3079291453681 = 4998871^2 + 1754791^2 .

It is not an unprimeable number, because it can be changed into a prime (28068002728327) 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 as a sum of consecutive naturals, namely, 7017000682079 + ... + 7017000682082.

Almost surely, 2^{28068002728322} is an apocalyptic number.

28068002728322 is a deficient number, since it is larger than the sum of its proper divisors (14034001364164).

28068002728322 is a wasteful number, since it uses less digits than its factorization.

28068002728322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14034001364163.

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 28068002728322 in words is "twenty-eight trillion, sixty-eight billion, two million, seven hundred twenty-eight thousand, three hundred twenty-two".