12679842587 has 2 divisors, whose sum is σ = 12679842588. Its totient is φ = 12679842586.

The previous prime is 12679842493. The next prime is 12679842601. The reversal of 12679842587 is 78524897621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12679842587 - 2¹⁰ = 12679841563 is a prime.

It is not a weakly prime, because it can be changed into another prime (12679842787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6339921293 + 6339921294.

It is an arithmetic number, because the mean of its divisors is an integer number (6339921294).

Almost surely, 2^12679842587 is an apocalyptic number.

12679842587 is a deficient number, since it is larger than the sum of its proper divisors (1).

12679842587 is an equidigital number, since it uses as much as digits as its factorization.

12679842587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13547520, while the sum is 59.

The spelling of 12679842587 in words is "twelve billion, six hundred seventy-nine million, eight hundred forty-two thousand, five hundred eighty-seven".