12667828057 has 2 divisors, whose sum is σ = 12667828058. Its totient is φ = 12667828056.

The previous prime is 12667827983. The next prime is 12667828073. The reversal of 12667828057 is 75082876621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12487839001 + 179989056 = 111749^2 + 13416^2 .

It is an emirp because it is prime and its reverse (75082876621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12667828057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12667827995 and 12667828013.

It is not a weakly prime, because it can be changed into another prime (12667328057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6333914028 + 6333914029.

It is an arithmetic number, because the mean of its divisors is an integer number (6333914029).

Almost surely, 2^12667828057 is an apocalyptic number.

It is an amenable number.

12667828057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12667828057 is an equidigital number, since it uses as much as digits as its factorization.

12667828057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 12667828057 in words is "twelve billion, six hundred sixty-seven million, eight hundred twenty-eight thousand, fifty-seven".