28480456173 has 16 divisors (see below), whose sum is σ = 41008947840. Its totient is φ = 17477605824.

The previous prime is 28480456171. The next prime is 28480456189. The reversal of 28480456173 is 37165408482.

It is not a de Polignac number, because 28480456173 - 2¹ = 28480456171 is a prime.

It is a super-2 number, since 2×28480456173² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28480456171) 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 15 ways as a sum of consecutive naturals, for example, 1003086 + ... + 1031087.

It is an arithmetic number, because the mean of its divisors is an integer number (2563059240).

Almost surely, 2^28480456173 is an apocalyptic number.

It is an amenable number.

28480456173 is a deficient number, since it is larger than the sum of its proper divisors (12528491667).

28480456173 is a wasteful number, since it uses less digits than its factorization.

28480456173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034548.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 28480456173 in words is "twenty-eight billion, four hundred eighty million, four hundred fifty-six thousand, one hundred seventy-three".