2077761966713 has 2 divisors, whose sum is σ = 2077761966714. Its totient is φ = 2077761966712.

The previous prime is 2077761966629. The next prime is 2077761966743. The reversal of 2077761966713 is 3176691677702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1215885539584 + 861876427129 = 1102672^2 + 928373^2 .

It is a cyclic number.

It is not a de Polignac number, because 2077761966713 - 2¹⁸ = 2077761704569 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 (2077761966743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038880983356 + 1038880983357.

It is an arithmetic number, because the mean of its divisors is an integer number (1038880983357).

Almost surely, 2^{2077761966713} is an apocalyptic number.

It is an amenable number.

2077761966713 is a deficient number, since it is larger than the sum of its proper divisors (1).

2077761966713 is an equidigital number, since it uses as much as digits as its factorization.

2077761966713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28005264, while the sum is 62.

The spelling of 2077761966713 in words is "two trillion, seventy-seven billion, seven hundred sixty-one million, nine hundred sixty-six thousand, seven hundred thirteen".