28280073169952 has 54 divisors (see below), whose sum is σ = 56228350263183. Its totient is φ = 14001220464192.

The previous prime is 28280073169921. The next prime is 28280073169963. The reversal of 28280073169952 is 25996137008282.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 14140036584976 + 14140036584976 = 3760324^2 + 3760324^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3760324.

It is a Duffinian number.

It is an unprimeable number.

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 in 8 ways as a sum of consecutive naturals, for example, 3098502413 + ... + 3098511539.

Almost surely, 2^{28280073169952} is an apocalyptic number.

It is an amenable number.

28280073169952 is a deficient number, since it is larger than the sum of its proper divisors (27948277093231).

28280073169952 is an frugal number, since it uses more digits than its factorization.

28280073169952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18470 (or 9232 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 28280073169952 in words is "twenty-eight trillion, two hundred eighty billion, seventy-three million, one hundred sixty-nine thousand, nine hundred fifty-two".