28811830173 has 16 divisors (see below), whose sum is σ = 43972254336. Its totient is φ = 16438210560.

The previous prime is 28811830171. The next prime is 28811830189. The reversal of 28811830173 is 37103811882.

It is not a de Polignac number, because 28811830173 - 2¹ = 28811830171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28811830171) 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 in 15 ways as a sum of consecutive naturals, for example, 1056736 + ... + 1083657.

It is an arithmetic number, because the mean of its divisors is an integer number (2748265896).

Almost surely, 2^28811830173 is an apocalyptic number.

It is an amenable number.

28811830173 is a deficient number, since it is larger than the sum of its proper divisors (15160424163).

28811830173 is a wasteful number, since it uses less digits than its factorization.

28811830173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141044.

The product of its (nonzero) digits is 64512, while the sum is 42.

The spelling of 28811830173 in words is "twenty-eight billion, eight hundred eleven million, eight hundred thirty thousand, one hundred seventy-three".