26898871 has 2 divisors, whose sum is σ = 26898872. Its totient is φ = 26898870.

The previous prime is 26898869. The next prime is 26898881. The reversal of 26898871 is 17889862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26898871 - 2¹ = 26898869 is a prime.

It is a super-2 number, since 2×26898871² = 1447098522149282, which contains 22 as substring.

Together with 26898869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26898881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13449435 + 13449436.

It is an arithmetic number, because the mean of its divisors is an integer number (13449436).

Almost surely, 2^26898871 is an apocalyptic number.

26898871 is a deficient number, since it is larger than the sum of its proper divisors (1).

26898871 is an equidigital number, since it uses as much as digits as its factorization.

26898871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 49.

The square root of 26898871 is about 5186.4121509961. The cubic root of 26898871 is about 299.6249795423.

Subtracting from 26898871 its reverse (17889862), we obtain a palindrome (9009009).

The spelling of 26898871 in words is "twenty-six million, eight hundred ninety-eight thousand, eight hundred seventy-one".