26786967113 has 2 divisors, whose sum is σ = 26786967114. Its totient is φ = 26786967112.

The previous prime is 26786967079. The next prime is 26786967121. The reversal of 26786967113 is 31176968762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24499449529 + 2287517584 = 156523^2 + 47828^2 .

It is a cyclic number.

It is not a de Polignac number, because 26786967113 - 2¹² = 26786963017 is a prime.

It is a super-2 number, since 2×26786967113² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26786967143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13393483556 + 13393483557.

It is an arithmetic number, because the mean of its divisors is an integer number (13393483557).

Almost surely, 2^26786967113 is an apocalyptic number.

It is an amenable number.

26786967113 is a deficient number, since it is larger than the sum of its proper divisors (1).

26786967113 is an equidigital number, since it uses as much as digits as its factorization.

26786967113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 56.

The spelling of 26786967113 in words is "twenty-six billion, seven hundred eighty-six million, nine hundred sixty-seven thousand, one hundred thirteen".