108774428761 has 2 divisors, whose sum is σ = 108774428762. Its totient is φ = 108774428760.

The previous prime is 108774428731. The next prime is 108774428813. The reversal of 108774428761 is 167824477801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97481328400 + 11293100361 = 312220^2 + 106269^2 .

It is a cyclic number.

It is not a de Polignac number, because 108774428761 - 2¹³ = 108774420569 is a prime.

It is not a weakly prime, because it can be changed into another prime (108774428731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54387214380 + 54387214381.

It is an arithmetic number, because the mean of its divisors is an integer number (54387214381).

Almost surely, 2^108774428761 is an apocalyptic number.

It is an amenable number.

108774428761 is a deficient number, since it is larger than the sum of its proper divisors (1).

108774428761 is an equidigital number, since it uses as much as digits as its factorization.

108774428761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4214784, while the sum is 55.

The spelling of 108774428761 in words is "one hundred eight billion, seven hundred seventy-four million, four hundred twenty-eight thousand, seven hundred sixty-one".