12876109587 has 96 divisors (see below), whose sum is σ = 22126680576. Its totient is φ = 7126963200.

The previous prime is 12876109583. The next prime is 12876109627. The reversal of 12876109587 is 78590167821.

12876109587 is a `hidden beast` number, since 12 + 8 + 7 + 610 + 9 + 5 + 8 + 7 = 666.

It is not a de Polignac number, because 12876109587 - 2² = 12876109583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12876109583) 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 in 95 ways as a sum of consecutive naturals, for example, 13098298 + ... + 13099280.

It is an arithmetic number, because the mean of its divisors is an integer number (230486256).

Almost surely, 2^12876109587 is an apocalyptic number.

12876109587 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12876109587 is a deficient number, since it is larger than the sum of its proper divisors (9250570989).

12876109587 is a wasteful number, since it uses less digits than its factorization.

12876109587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 54.

The spelling of 12876109587 in words is "twelve billion, eight hundred seventy-six million, one hundred nine thousand, five hundred eighty-seven".