26898143 has 2 divisors, whose sum is σ = 26898144. Its totient is φ = 26898142.

The previous prime is 26898127. The next prime is 26898161. The reversal of 26898143 is 34189862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26898143 - 2⁴ = 26898127 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26898143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26898103) 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, 13449071 + 13449072.

It is an arithmetic number, because the mean of its divisors is an integer number (13449072).

Almost surely, 2^26898143 is an apocalyptic number.

26898143 is a deficient number, since it is larger than the sum of its proper divisors (1).

26898143 is an equidigital number, since it uses as much as digits as its factorization.

26898143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 26898143 is about 5186.3419671287. The cubic root of 26898143 is about 299.6222764679.

The spelling of 26898143 in words is "twenty-six million, eight hundred ninety-eight thousand, one hundred forty-three".