26197287167 has 2 divisors, whose sum is σ = 26197287168. Its totient is φ = 26197287166.

The previous prime is 26197287157. The next prime is 26197287251. The reversal of 26197287167 is 76178279162.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26197287167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26197287157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13098643583 + 13098643584.

It is an arithmetic number, because the mean of its divisors is an integer number (13098643584).

Almost surely, 2^26197287167 is an apocalyptic number.

26197287167 is a deficient number, since it is larger than the sum of its proper divisors (1).

26197287167 is an equidigital number, since it uses as much as digits as its factorization.

26197287167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3556224, while the sum is 56.

The spelling of 26197287167 in words is "twenty-six billion, one hundred ninety-seven million, two hundred eighty-seven thousand, one hundred sixty-seven".