26280047 has 2 divisors, whose sum is σ = 26280048. Its totient is φ = 26280046.

The previous prime is 26280043. The next prime is 26280091. The reversal of 26280047 is 74008262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26280047 - 2² = 26280043 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26280043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13140023 + 13140024.

It is an arithmetic number, because the mean of its divisors is an integer number (13140024).

Almost surely, 2^26280047 is an apocalyptic number.

26280047 is a deficient number, since it is larger than the sum of its proper divisors (1).

26280047 is an equidigital number, since it uses as much as digits as its factorization.

26280047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 26280047 is about 5126.4068313001. The cubic root of 26280047 is about 297.3094493351.

The spelling of 26280047 in words is "twenty-six million, two hundred eighty thousand, forty-seven".