26440847 has 2 divisors, whose sum is σ = 26440848. Its totient is φ = 26440846.

The previous prime is 26440811. The next prime is 26440867. The reversal of 26440847 is 74804462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26440847 - 2⁶ = 26440783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26440867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13220423 + 13220424.

It is an arithmetic number, because the mean of its divisors is an integer number (13220424).

Almost surely, 2^26440847 is an apocalyptic number.

26440847 is a deficient number, since it is larger than the sum of its proper divisors (1).

26440847 is an equidigital number, since it uses as much as digits as its factorization.

26440847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 26440847 is about 5142.0664134179. The cubic root of 26440847 is about 297.9146002454.

The spelling of 26440847 in words is "twenty-six million, four hundred forty thousand, eight hundred forty-seven".