216000899 has 2 divisors, whose sum is σ = 216000900. Its totient is φ = 216000898.

The previous prime is 216000887. The next prime is 216000959. The reversal of 216000899 is 998000612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216000899 - 2⁸ = 216000643 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (216000859) 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, 108000449 + 108000450.

It is an arithmetic number, because the mean of its divisors is an integer number (108000450).

Almost surely, 2^216000899 is an apocalyptic number.

216000899 is a deficient number, since it is larger than the sum of its proper divisors (1).

216000899 is an equidigital number, since it uses as much as digits as its factorization.

216000899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 216000899 is about 14696.9690412683. The cubic root of 216000899 is about 600.0008324063. Note that the first 3 decimals are identical.

The spelling of 216000899 in words is "two hundred sixteen million, eight hundred ninety-nine", and thus it is an aban number.