28045847111 has 8 divisors (see below), whose sum is σ = 29702027904. Its totient is φ = 26426066040.

The previous prime is 28045847077. The next prime is 28045847143. The reversal of 28045847111 is 11174854082.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28045847111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28045847171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9098345 + ... + 9101426.

It is an arithmetic number, because the mean of its divisors is an integer number (3712753488).

Almost surely, 2^28045847111 is an apocalyptic number.

28045847111 is a deficient number, since it is larger than the sum of its proper divisors (1656180793).

28045847111 is a wasteful number, since it uses less digits than its factorization.

28045847111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18199861.

The product of its (nonzero) digits is 71680, while the sum is 41.

The spelling of 28045847111 in words is "twenty-eight billion, forty-five million, eight hundred forty-seven thousand, one hundred eleven".