200012887 has 4 divisors (see below), whose sum is σ = 200458800. Its totient is φ = 199566976.

The previous prime is 200012881. The next prime is 200012921. The reversal of 200012887 is 788210002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200012887 - 2¹⁹ = 199488599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200012881) 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 in 3 ways as a sum of consecutive naturals, for example, 222283 + ... + 223180.

It is an arithmetic number, because the mean of its divisors is an integer number (50114700).

Almost surely, 2^200012887 is an apocalyptic number.

200012887 is a deficient number, since it is larger than the sum of its proper divisors (445913).

200012887 is an equidigital number, since it uses as much as digits as its factorization.

200012887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445912.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 200012887 is about 14142.5912406461. The cubic root of 200012887 is about 584.8161079783.

Adding to 200012887 its reverse (788210002), we get a palindrome (988222889).

The spelling of 200012887 in words is "two hundred million, twelve thousand, eight hundred eighty-seven".