12487887366839 has 2 divisors, whose sum is σ = 12487887366840. Its totient is φ = 12487887366838.

The previous prime is 12487887366737. The next prime is 12487887366883. The reversal of 12487887366839 is 93866378878421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12487887366839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12487887366139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6243943683419 + 6243943683420.

It is an arithmetic number, because the mean of its divisors is an integer number (6243943683420).

Almost surely, 2^{12487887366839} is an apocalyptic number.

12487887366839 is a deficient number, since it is larger than the sum of its proper divisors (1).

12487887366839 is an equidigital number, since it uses as much as digits as its factorization.

12487887366839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4682022912, while the sum is 80.

The spelling of 12487887366839 in words is "twelve trillion, four hundred eighty-seven billion, eight hundred eighty-seven million, three hundred sixty-six thousand, eight hundred thirty-nine".