12888186887 has 2 divisors, whose sum is σ = 12888186888. Its totient is φ = 12888186886.

The previous prime is 12888186877. The next prime is 12888186901. The reversal of 12888186887 is 78868188821.

It is a weak prime.

It is an emirp because it is prime and its reverse (78868188821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12888186887 is a prime.

It is a super-2 number, since 2×12888186887² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12888186877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6444093443 + 6444093444.

It is an arithmetic number, because the mean of its divisors is an integer number (6444093444).

Almost surely, 2^12888186887 is an apocalyptic number.

12888186887 is a deficient number, since it is larger than the sum of its proper divisors (1).

12888186887 is an equidigital number, since it uses as much as digits as its factorization.

12888186887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22020096, while the sum is 65.

The spelling of 12888186887 in words is "twelve billion, eight hundred eighty-eight million, one hundred eighty-six thousand, eight hundred eighty-seven".