200007985 has 4 divisors (see below), whose sum is σ = 240009588. Its totient is φ = 160006384.

The previous prime is 200007967. The next prime is 200008019. The reversal of 200007985 is 589700002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589700002 = 2 ⋅294850001.

It can be written as a sum of positive squares in 2 ways, for example, as 25160256 + 174847729 = 5016^2 + 13223^2 .

It is a cyclic number.

It is not a de Polignac number, because 200007985 - 2⁹ = 200007473 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20000794 + ... + 20000803.

It is an arithmetic number, because the mean of its divisors is an integer number (60002397).

Almost surely, 2^200007985 is an apocalyptic number.

It is an amenable number.

200007985 is a deficient number, since it is larger than the sum of its proper divisors (40001603).

200007985 is an equidigital number, since it uses as much as digits as its factorization.

200007985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40001602.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 200007985 is about 14142.4179332956. The cubic root of 200007985 is about 584.8113302995.

Adding to 200007985 its reverse (589700002), we get a palindrome (789707987).

The spelling of 200007985 in words is "two hundred million, seven thousand, nine hundred eighty-five".