195766483277 has 2 divisors, whose sum is σ = 195766483278. Its totient is φ = 195766483276.

The previous prime is 195766483189. The next prime is 195766483291. The reversal of 195766483277 is 772384667591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153022574761 + 42743908516 = 391181^2 + 206746^2 .

It is a cyclic number.

It is not a de Polignac number, because 195766483277 - 2¹⁴ = 195766466893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195766489277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97883241638 + 97883241639.

It is an arithmetic number, because the mean of its divisors is an integer number (97883241639).

Almost surely, 2^195766483277 is an apocalyptic number.

It is an amenable number.

195766483277 is a deficient number, since it is larger than the sum of its proper divisors (1).

195766483277 is an equidigital number, since it uses as much as digits as its factorization.

195766483277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 106686720, while the sum is 65.

The spelling of 195766483277 in words is "one hundred ninety-five billion, seven hundred sixty-six million, four hundred eighty-three thousand, two hundred seventy-seven".