27663602080871 has 2 divisors, whose sum is σ = 27663602080872. Its totient is φ = 27663602080870.

The previous prime is 27663602080847. The next prime is 27663602080883. The reversal of 27663602080871 is 17808020636672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27663602080871 - 2¹⁰ = 27663602079847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27663602080831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13831801040435 + 13831801040436.

It is an arithmetic number, because the mean of its divisors is an integer number (13831801040436).

Almost surely, 2^{27663602080871} is an apocalyptic number.

27663602080871 is a deficient number, since it is larger than the sum of its proper divisors (1).

27663602080871 is an equidigital number, since it uses as much as digits as its factorization.

27663602080871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 27663602080871 in words is "twenty-seven trillion, six hundred sixty-three billion, six hundred two million, eighty thousand, eight hundred seventy-one".