200775578761 has 2 divisors, whose sum is σ = 200775578762. Its totient is φ = 200775578760.

The previous prime is 200775578723. The next prime is 200775578797. The reversal of 200775578761 is 167875577002.

200775578761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185136575625 + 15639003136 = 430275^2 + 125056^2 .

It is a cyclic number.

It is not a de Polignac number, because 200775578761 - 2⁹ = 200775578249 is a prime.

It is not a weakly prime, because it can be changed into another prime (200775578711) 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 as a sum of consecutive naturals, namely, 100387789380 + 100387789381.

It is an arithmetic number, because the mean of its divisors is an integer number (100387789381).

Almost surely, 2^200775578761 is an apocalyptic number.

It is an amenable number.

200775578761 is a deficient number, since it is larger than the sum of its proper divisors (1).

200775578761 is an equidigital number, since it uses as much as digits as its factorization.

200775578761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5762400, while the sum is 55.

The spelling of 200775578761 in words is "two hundred billion, seven hundred seventy-five million, five hundred seventy-eight thousand, seven hundred sixty-one".