26598779167 has 2 divisors, whose sum is σ = 26598779168. Its totient is φ = 26598779166.

The previous prime is 26598779113. The next prime is 26598779261. The reversal of 26598779167 is 76197789562.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26598779167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26598779107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13299389583 + 13299389584.

It is an arithmetic number, because the mean of its divisors is an integer number (13299389584).

Almost surely, 2^26598779167 is an apocalyptic number.

26598779167 is a deficient number, since it is larger than the sum of its proper divisors (1).

26598779167 is an equidigital number, since it uses as much as digits as its factorization.

26598779167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80015040, while the sum is 67.

The spelling of 26598779167 in words is "twenty-six billion, five hundred ninety-eight million, seven hundred seventy-nine thousand, one hundred sixty-seven".