27766047707 has 2 divisors, whose sum is σ = 27766047708. Its totient is φ = 27766047706.

The previous prime is 27766047703. The next prime is 27766047779. The reversal of 27766047707 is 70774066772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27766047707 - 2² = 27766047703 is a prime.

It is not a weakly prime, because it can be changed into another prime (27766047703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13883023853 + 13883023854.

It is an arithmetic number, because the mean of its divisors is an integer number (13883023854).

Almost surely, 2^27766047707 is an apocalyptic number.

27766047707 is a deficient number, since it is larger than the sum of its proper divisors (1).

27766047707 is an equidigital number, since it uses as much as digits as its factorization.

27766047707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4840416, while the sum is 53.

The spelling of 27766047707 in words is "twenty-seven billion, seven hundred sixty-six million, forty-seven thousand, seven hundred seven".