12776006987 has 2 divisors, whose sum is σ = 12776006988. Its totient is φ = 12776006986.

The previous prime is 12776006951. The next prime is 12776006989. The reversal of 12776006987 is 78960067721.

12776006987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12776006987 - 2²⁰ = 12774958411 is a prime.

Together with 12776006989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12776006989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6388003493 + 6388003494.

It is an arithmetic number, because the mean of its divisors is an integer number (6388003494).

Almost surely, 2^12776006987 is an apocalyptic number.

12776006987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12776006987 is an equidigital number, since it uses as much as digits as its factorization.

12776006987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The spelling of 12776006987 in words is "twelve billion, seven hundred seventy-six million, six thousand, nine hundred eighty-seven".