26685047 has 2 divisors, whose sum is σ = 26685048. Its totient is φ = 26685046.

The previous prime is 26685041. The next prime is 26685073. The reversal of 26685047 is 74058662.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26685047 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26685047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26685041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13342523 + 13342524.

It is an arithmetic number, because the mean of its divisors is an integer number (13342524).

Almost surely, 2^26685047 is an apocalyptic number.

26685047 is a deficient number, since it is larger than the sum of its proper divisors (1).

26685047 is an equidigital number, since it uses as much as digits as its factorization.

26685047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 26685047 is about 5165.7571565067. The cubic root of 26685047 is about 298.8289421001.

The spelling of 26685047 in words is "twenty-six million, six hundred eighty-five thousand, forty-seven".