12827932867 has 4 divisors (see below), whose sum is σ = 12841199536. Its totient is φ = 12814666200.

The previous prime is 12827932829. The next prime is 12827932951. The reversal of 12827932867 is 76823972821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76823972821 = 71699 ⋅1071479.

It is a cyclic number.

It is not a de Polignac number, because 12827932867 - 2¹⁹ = 12827408579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12827930867) 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 in 3 ways as a sum of consecutive naturals, for example, 6631884 + ... + 6633817.

It is an arithmetic number, because the mean of its divisors is an integer number (3210299884).

Almost surely, 2^12827932867 is an apocalyptic number.

12827932867 is a deficient number, since it is larger than the sum of its proper divisors (13266669).

12827932867 is an equidigital number, since it uses as much as digits as its factorization.

12827932867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13266668.

The product of its digits is 4064256, while the sum is 55.

The spelling of 12827932867 in words is "twelve billion, eight hundred twenty-seven million, nine hundred thirty-two thousand, eight hundred sixty-seven".