998565000227 has 2 divisors, whose sum is σ = 998565000228. Its totient is φ = 998565000226.

The previous prime is 998565000197. The next prime is 998565000229. The reversal of 998565000227 is 722000565899.

It is a strong prime.

It is an emirp because it is prime and its reverse (722000565899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 998565000227 - 2²² = 998560805923 is a prime.

Together with 998565000229, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (998565000229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499282500113 + 499282500114.

It is an arithmetic number, because the mean of its divisors is an integer number (499282500114).

Almost surely, 2^998565000227 is an apocalyptic number.

998565000227 is a deficient number, since it is larger than the sum of its proper divisors (1).

998565000227 is an equidigital number, since it uses as much as digits as its factorization.

998565000227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 998565000227 in words is "nine hundred ninety-eight billion, five hundred sixty-five million, two hundred twenty-seven", and thus it is an aban number.