12867556423679 has 8 divisors (see below), whose sum is σ = 12877242738048. Its totient is φ = 12857870511640.

The previous prime is 12867556423619. The next prime is 12867556423693. The reversal of 12867556423679 is 97632465576821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12867556423679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12867556423619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103954544 + ... + 104078250.

It is an arithmetic number, because the mean of its divisors is an integer number (1609655342256).

Almost surely, 2^{12867556423679} is an apocalyptic number.

12867556423679 is a deficient number, since it is larger than the sum of its proper divisors (9686314369).

12867556423679 is a wasteful number, since it uses less digits than its factorization.

12867556423679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201165.

The product of its digits is 914457600, while the sum is 71.

The spelling of 12867556423679 in words is "twelve trillion, eight hundred sixty-seven billion, five hundred fifty-six million, four hundred twenty-three thousand, six hundred seventy-nine".