200709965187 has 12 divisors (see below), whose sum is σ = 296656589944. Its totient is φ = 130694860800.

The previous prime is 200709965171. The next prime is 200709965213. The reversal of 200709965187 is 781569907002.

It is not a de Polignac number, because 200709965187 - 2⁴ = 200709965171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200709965147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259314814 + ... + 259315587.

Almost surely, 2^200709965187 is an apocalyptic number.

200709965187 is a deficient number, since it is larger than the sum of its proper divisors (95946624757).

200709965187 is a wasteful number, since it uses less digits than its factorization.

200709965187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518630450 (or 518630447 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 200709965187 in words is "two hundred billion, seven hundred nine million, nine hundred sixty-five thousand, one hundred eighty-seven".