28559809258 has 8 divisors (see below), whose sum is σ = 42872901120. Its totient is φ = 14268842220.

The previous prime is 28559809249. The next prime is 28559809259. The reversal of 28559809258 is 85290895582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28559809196 and 28559809205.

It is not an unprimeable number, because it can be changed into a prime (28559809259) 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 3 ways as a sum of consecutive naturals, for example, 5527978 + ... + 5533141.

It is an arithmetic number, because the mean of its divisors is an integer number (5359112640).

Almost surely, 2^28559809258 is an apocalyptic number.

28559809258 is a deficient number, since it is larger than the sum of its proper divisors (14313091862).

28559809258 is a wasteful number, since it uses less digits than its factorization.

28559809258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11062412.

The product of its (nonzero) digits is 20736000, while the sum is 61.

The spelling of 28559809258 in words is "twenty-eight billion, five hundred fifty-nine million, eight hundred nine thousand, two hundred fifty-eight".