99997267 has 2 divisors, whose sum is σ = 99997268.
Its totient is φ = 99997266.
The previous prime is 99997243. The next prime is 99997357. The reversal of 99997267 is 76279999.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 99997267 - 215 = 99964499 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (99997067) 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, 49998633 + 49998634.
It is an arithmetic number, because the mean of its divisors is an integer number (49998634).
Almost surely, 299997267 is an apocalyptic number.
99997267 is a deficient number, since it is larger than the sum of its proper divisors (1).
99997267 is an equidigital number, since it uses as much as digits as its factorization.
99997267 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3857868, while the sum is 58.
The square root of 99997267 is about 9999.8633490663.
The cubic root of 99997267 is about 464.1546548353.
The spelling of 99997267 in words is "ninety-nine million, nine hundred ninety-seven thousand, two hundred sixty-seven".