27667706741 has 2 divisors, whose sum is σ = 27667706742. Its totient is φ = 27667706740.

The previous prime is 27667706699. The next prime is 27667706753. The reversal of 27667706741 is 14760776672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24608510641 + 3059196100 = 156871^2 + 55310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27667706741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27667703741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13833853370 + 13833853371.

It is an arithmetic number, because the mean of its divisors is an integer number (13833853371).

Almost surely, 2^27667706741 is an apocalyptic number.

It is an amenable number.

27667706741 is a deficient number, since it is larger than the sum of its proper divisors (1).

27667706741 is an equidigital number, since it uses as much as digits as its factorization.

27667706741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4148928, while the sum is 53.

The spelling of 27667706741 in words is "twenty-seven billion, six hundred sixty-seven million, seven hundred six thousand, seven hundred forty-one".