12858659774867 has 2 divisors, whose sum is σ = 12858659774868. Its totient is φ = 12858659774866.

The previous prime is 12858659774791. The next prime is 12858659774869. The reversal of 12858659774867 is 76847795685821.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (76847795685821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12858659774867 - 2¹² = 12858659770771 is a prime.

Together with 12858659774869, 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 (12858659774869) 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 as a sum of consecutive naturals, namely, 6429329887433 + 6429329887434.

It is an arithmetic number, because the mean of its divisors is an integer number (6429329887434).

Almost surely, 2^{12858659774867} is an apocalyptic number.

12858659774867 is a deficient number, since it is larger than the sum of its proper divisors (1).

12858659774867 is an equidigital number, since it uses as much as digits as its factorization.

12858659774867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11379916800, while the sum is 83.

The spelling of 12858659774867 in words is "twelve trillion, eight hundred fifty-eight billion, six hundred fifty-nine million, seven hundred seventy-four thousand, eight hundred sixty-seven".