28267556159 has 2 divisors, whose sum is σ = 28267556160. Its totient is φ = 28267556158.

The previous prime is 28267556137. The next prime is 28267556167. The reversal of 28267556159 is 95165576282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28267556159 - 2¹² = 28267552063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28267556059) 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 as a sum of consecutive naturals, namely, 14133778079 + 14133778080.

It is an arithmetic number, because the mean of its divisors is an integer number (14133778080).

Almost surely, 2^28267556159 is an apocalyptic number.

28267556159 is a deficient number, since it is larger than the sum of its proper divisors (1).

28267556159 is an equidigital number, since it uses as much as digits as its factorization.

28267556159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072000, while the sum is 56.

The spelling of 28267556159 in words is "twenty-eight billion, two hundred sixty-seven million, five hundred fifty-six thousand, one hundred fifty-nine".