26880311 has 2 divisors, whose sum is σ = 26880312. Its totient is φ = 26880310.

The previous prime is 26880253. The next prime is 26880319. The reversal of 26880311 is 11308862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26880311 is a prime.

It is a super-2 number, since 2×26880311² = 1445102238913442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26880319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13440155 + 13440156.

It is an arithmetic number, because the mean of its divisors is an integer number (13440156).

Almost surely, 2^26880311 is an apocalyptic number.

26880311 is a deficient number, since it is larger than the sum of its proper divisors (1).

26880311 is an equidigital number, since it uses as much as digits as its factorization.

26880311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 26880311 is about 5184.6225513532. The cubic root of 26880311 is about 299.5560507617.

The spelling of 26880311 in words is "twenty-six million, eight hundred eighty thousand, three hundred eleven".