868903199 has 2 divisors, whose sum is σ = 868903200. Its totient is φ = 868903198.

The previous prime is 868903169. The next prime is 868903267. The reversal of 868903199 is 991309868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 868903199 - 2⁸ = 868902943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 868903199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868903129) 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, 434451599 + 434451600.

It is an arithmetic number, because the mean of its divisors is an integer number (434451600).

Almost surely, 2^868903199 is an apocalyptic number.

868903199 is a deficient number, since it is larger than the sum of its proper divisors (1).

868903199 is an equidigital number, since it uses as much as digits as its factorization.

868903199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 868903199 is about 29477.1640257335. The cubic root of 868903199 is about 954.2389334975.

The spelling of 868903199 in words is "eight hundred sixty-eight million, nine hundred three thousand, one hundred ninety-nine".