6105777761 has 2 divisors, whose sum is σ = 6105777762. Its totient is φ = 6105777760.

The previous prime is 6105777757. The next prime is 6105777767. The reversal of 6105777761 is 1677775016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5720048161 + 385729600 = 75631^2 + 19640^2 .

It is a cyclic number.

It is not a de Polignac number, because 6105777761 - 2² = 6105777757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6105777767) 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, 3052888880 + 3052888881.

It is an arithmetic number, because the mean of its divisors is an integer number (3052888881).

Almost surely, 2^6105777761 is an apocalyptic number.

It is an amenable number.

6105777761 is a deficient number, since it is larger than the sum of its proper divisors (1).

6105777761 is an equidigital number, since it uses as much as digits as its factorization.

6105777761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432180, while the sum is 47.

The square root of 6105777761 is about 78139.4763291897. The cubic root of 6105777761 is about 1827.7368343095.

The spelling of 6105777761 in words is "six billion, one hundred five million, seven hundred seventy-seven thousand, seven hundred sixty-one".