26316887 has 2 divisors, whose sum is σ = 26316888. Its totient is φ = 26316886.

The previous prime is 26316883. The next prime is 26316889. The reversal of 26316887 is 78861362.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26316887 - 2² = 26316883 is a prime.

Together with 26316889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26316883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13158443 + 13158444.

It is an arithmetic number, because the mean of its divisors is an integer number (13158444).

Almost surely, 2^26316887 is an apocalyptic number.

26316887 is a deficient number, since it is larger than the sum of its proper divisors (1).

26316887 is an equidigital number, since it uses as much as digits as its factorization.

26316887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 26316887 is about 5129.9987329433. The cubic root of 26316887 is about 297.4483096409.

The spelling of 26316887 in words is "twenty-six million, three hundred sixteen thousand, eight hundred eighty-seven".