26848247 has 2 divisors, whose sum is σ = 26848248. Its totient is φ = 26848246.

The previous prime is 26848243. The next prime is 26848249. The reversal of 26848247 is 74284862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26848247 - 2² = 26848243 is a prime.

Together with 26848249, 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 (26848243) 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, 13424123 + 13424124.

It is an arithmetic number, because the mean of its divisors is an integer number (13424124).

Almost surely, 2^26848247 is an apocalyptic number.

26848247 is a deficient number, since it is larger than the sum of its proper divisors (1).

26848247 is an equidigital number, since it uses as much as digits as its factorization.

26848247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172032, while the sum is 41.

The square root of 26848247 is about 5181.5294074240. The cubic root of 26848247 is about 299.4368955578.

The spelling of 26848247 in words is "twenty-six million, eight hundred forty-eight thousand, two hundred forty-seven".