28127550559 has 2 divisors, whose sum is σ = 28127550560. Its totient is φ = 28127550558.

The previous prime is 28127550547. The next prime is 28127550587. The reversal of 28127550559 is 95505572182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28127550559 - 2⁵ = 28127550527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28127550599) 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 as a sum of consecutive naturals, namely, 14063775279 + 14063775280.

It is an arithmetic number, because the mean of its divisors is an integer number (14063775280).

Almost surely, 2^28127550559 is an apocalyptic number.

28127550559 is a deficient number, since it is larger than the sum of its proper divisors (1).

28127550559 is an equidigital number, since it uses as much as digits as its factorization.

28127550559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260000, while the sum is 49.

The spelling of 28127550559 in words is "twenty-eight billion, one hundred twenty-seven million, five hundred fifty thousand, five hundred fifty-nine".