28214950331107 has 4 divisors (see below), whose sum is σ = 28464640157160. Its totient is φ = 27965260505056.

The previous prime is 28214950331063. The next prime is 28214950331119. The reversal of 28214950331107 is 70113305941282.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28214950331107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28214950331507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124844912857 + ... + 124844913082.

It is an arithmetic number, because the mean of its divisors is an integer number (7116160039290).

Almost surely, 2^{28214950331107} is an apocalyptic number.

28214950331107 is a deficient number, since it is larger than the sum of its proper divisors (249689826053).

28214950331107 is a wasteful number, since it uses less digits than its factorization.

28214950331107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249689826052.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 28214950331107 in words is "twenty-eight trillion, two hundred fourteen billion, nine hundred fifty million, three hundred thirty-one thousand, one hundred seven".