200764781265 has 32 divisors (see below), whose sum is σ = 338933520000. Its totient is φ = 101198039040.

The previous prime is 200764781263. The next prime is 200764781279. The reversal of 200764781265 is 562187467002.

It is not a de Polignac number, because 200764781265 - 2¹ = 200764781263 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200764781263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 716640 + ... + 956609.

It is an arithmetic number, because the mean of its divisors is an integer number (10591672500).

Almost surely, 2^200764781265 is an apocalyptic number.

It is an amenable number.

200764781265 is a deficient number, since it is larger than the sum of its proper divisors (138168738735).

200764781265 is a wasteful number, since it uses less digits than its factorization.

200764781265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673697.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 200764781265 in words is "two hundred billion, seven hundred sixty-four million, seven hundred eighty-one thousand, two hundred sixty-five".