28047050159 has 4 divisors (see below), whose sum is σ = 28336195104. Its totient is φ = 27757905216.

The previous prime is 28047050153. The next prime is 28047050167. The reversal of 28047050159 is 95105074082.

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

It is a cyclic number.

It is not a de Polignac number, because 28047050159 - 2⁸ = 28047049903 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 (28047050153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144572327 + ... + 144572520.

It is an arithmetic number, because the mean of its divisors is an integer number (7084048776).

Almost surely, 2^28047050159 is an apocalyptic number.

28047050159 is a deficient number, since it is larger than the sum of its proper divisors (289144945).

28047050159 is an equidigital number, since it uses as much as digits as its factorization.

28047050159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289144944.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 28047050159 in words is "twenty-eight billion, forty-seven million, fifty thousand, one hundred fifty-nine".