2707800860861 has 2 divisors, whose sum is σ = 2707800860862. Its totient is φ = 2707800860860.

The previous prime is 2707800860827. The next prime is 2707800860909. The reversal of 2707800860861 is 1680680087072.

It is a happy number.

2707800860861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2478086749636 + 229714111225 = 1574194^2 + 479285^2 .

It is a cyclic number.

It is not a de Polignac number, because 2707800860861 - 2²² = 2707796666557 is a prime.

It is a super-2 number, since 2×2707800860861² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2707800860561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1353900430430 + 1353900430431.

It is an arithmetic number, because the mean of its divisors is an integer number (1353900430431).

Almost surely, 2^{2707800860861} is an apocalyptic number.

It is an amenable number.

2707800860861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2707800860861 is an equidigital number, since it uses as much as digits as its factorization.

2707800860861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1806336, while the sum is 53.

The spelling of 2707800860861 in words is "two trillion, seven hundred seven billion, eight hundred million, eight hundred sixty thousand, eight hundred sixty-one".