899000159 has 2 divisors, whose sum is σ = 899000160. Its totient is φ = 899000158.

The previous prime is 899000099. The next prime is 899000177. The reversal of 899000159 is 951000998.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-899000159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (899000189) 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, 449500079 + 449500080.

It is an arithmetic number, because the mean of its divisors is an integer number (449500080).

Almost surely, 2^899000159 is an apocalyptic number.

899000159 is a deficient number, since it is larger than the sum of its proper divisors (1).

899000159 is an equidigital number, since it uses as much as digits as its factorization.

899000159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 899000159 is about 29983.3313526032. The cubic root of 899000159 is about 965.1317203214.

The spelling of 899000159 in words is "eight hundred ninety-nine million, one hundred fifty-nine", and thus it is an aban number.