28214950331108 has 12 divisors (see below), whose sum is σ = 49376251246140. Its totient is φ = 14107449975072.

The previous prime is 28214950331063. The next prime is 28214950331119. The reversal of 28214950331108 is 80113305941282.

It can be written as a sum of positive squares in 2 ways, for example, as 4342814259364 + 23872136071744 = 2083942^2 + 4885912^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3654191 + ... + 8353622.

It is an arithmetic number, because the mean of its divisors is an integer number (4114687603845).

Almost surely, 2^{28214950331108} is an apocalyptic number.

It is an amenable number.

28214950331108 is a deficient number, since it is larger than the sum of its proper divisors (21161300915032).

28214950331108 is a wasteful number, since it uses less digits than its factorization.

28214950331108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12595246 (or 12595244 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 28214950331108 in words is "twenty-eight trillion, two hundred fourteen billion, nine hundred fifty million, three hundred thirty-one thousand, one hundred eight".