200099987 has 2 divisors, whose sum is σ = 200099988. Its totient is φ = 200099986.

The previous prime is 200099981. The next prime is 200100007. The reversal of 200099987 is 789990002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200099987 - 2⁶ = 200099923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (200099981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100049993 + 100049994.

It is an arithmetic number, because the mean of its divisors is an integer number (100049994).

Almost surely, 2^200099987 is an apocalyptic number.

200099987 is a deficient number, since it is larger than the sum of its proper divisors (1).

200099987 is an equidigital number, since it uses as much as digits as its factorization.

200099987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 200099987 is about 14145.6702563010. The cubic root of 200099987 is about 584.9009859940.

The spelling of 200099987 in words is "two hundred million, ninety-nine thousand, nine hundred eighty-seven".