28055119 has 2 divisors, whose sum is σ = 28055120. Its totient is φ = 28055118.

The previous prime is 28055057. The next prime is 28055123. The reversal of 28055119 is 91155082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28055119 - 2¹³ = 28046927 is a prime.

It is a super-2 number, since 2×28055119² = 1574179404208322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28052119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027559 + 14027560.

It is an arithmetic number, because the mean of its divisors is an integer number (14027560).

Almost surely, 2^28055119 is an apocalyptic number.

28055119 is a deficient number, since it is larger than the sum of its proper divisors (1).

28055119 is an equidigital number, since it uses as much as digits as its factorization.

28055119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 28055119 is about 5296.7083174364. The cubic root of 28055119 is about 303.8580210452.

The spelling of 28055119 in words is "twenty-eight million, fifty-five thousand, one hundred nineteen".