28675106289 has 12 divisors (see below), whose sum is σ = 41434485300. Its totient is φ = 19109866464.

The previous prime is 28675106279. The next prime is 28675106311. The reversal of 28675106289 is 98260157682.

28675106289 is a `hidden beast` number, since 2 + 8 + 6 + 7 + 5 + 1 + 0 + 628 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13350647025 + 15324459264 = 115545^2 + 123792^2 .

It is not a de Polignac number, because 28675106289 - 2⁹ = 28675105777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28675106209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546094 + ... + 596295.

It is an arithmetic number, because the mean of its divisors is an integer number (3452873775).

Almost surely, 2^28675106289 is an apocalyptic number.

It is an amenable number.

28675106289 is a deficient number, since it is larger than the sum of its proper divisors (12759379011).

28675106289 is a wasteful number, since it uses less digits than its factorization.

28675106289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145184 (or 1145181 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 28675106289 in words is "twenty-eight billion, six hundred seventy-five million, one hundred six thousand, two hundred eighty-nine".