35768782661 has 2 divisors, whose sum is σ = 35768782662. Its totient is φ = 35768782660.

The previous prime is 35768782549. The next prime is 35768782681. The reversal of 35768782661 is 16628786753.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35475722500 + 293060161 = 188350^2 + 17119^2 .

It is a cyclic number.

It is not a de Polignac number, because 35768782661 - 2²² = 35764588357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 35768782661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35768782681) 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, 17884391330 + 17884391331.

It is an arithmetic number, because the mean of its divisors is an integer number (17884391331).

Almost surely, 2^35768782661 is an apocalyptic number.

It is an amenable number.

35768782661 is a deficient number, since it is larger than the sum of its proper divisors (1).

35768782661 is an equidigital number, since it uses as much as digits as its factorization.

35768782661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20321280, while the sum is 59.

The spelling of 35768782661 in words is "thirty-five billion, seven hundred sixty-eight million, seven hundred eighty-two thousand, six hundred sixty-one".