195840792100777 has 2 divisors, whose sum is σ = 195840792100778. Its totient is φ = 195840792100776.

The previous prime is 195840792100739. The next prime is 195840792100817. The reversal of 195840792100777 is 777001297048591.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152220790652841 + 43620001447936 = 12337779^2 + 6604544^2 .

It is a cyclic number.

It is not a de Polignac number, because 195840792100777 - 2¹¹ = 195840792098729 is a prime.

It is not a weakly prime, because it can be changed into another prime (195840792103777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97920396050388 + 97920396050389.

It is an arithmetic number, because the mean of its divisors is an integer number (97920396050389).

Almost surely, 2^{195840792100777} is an apocalyptic number.

It is an amenable number.

195840792100777 is a deficient number, since it is larger than the sum of its proper divisors (1).

195840792100777 is an equidigital number, since it uses as much as digits as its factorization.

195840792100777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62233920, while the sum is 67.

The spelling of 195840792100777 in words is "one hundred ninety-five trillion, eight hundred forty billion, seven hundred ninety-two million, one hundred thousand, seven hundred seventy-seven".