12808746871 has 2 divisors, whose sum is σ = 12808746872. Its totient is φ = 12808746870.

The previous prime is 12808746869. The next prime is 12808746893. The reversal of 12808746871 is 17864780821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12808746871 - 2¹ = 12808746869 is a prime.

Together with 12808746869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12808716871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6404373435 + 6404373436.

It is an arithmetic number, because the mean of its divisors is an integer number (6404373436).

Almost surely, 2^12808746871 is an apocalyptic number.

12808746871 is a deficient number, since it is larger than the sum of its proper divisors (1).

12808746871 is an equidigital number, since it uses as much as digits as its factorization.

12808746871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1204224, while the sum is 52.

The spelling of 12808746871 in words is "twelve billion, eight hundred eight million, seven hundred forty-six thousand, eight hundred seventy-one".