26628263 has 2 divisors, whose sum is σ = 26628264. Its totient is φ = 26628262.

The previous prime is 26628257. The next prime is 26628289. The reversal of 26628263 is 36282662.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26628263 - 2⁴ = 26628247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26628463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13314131 + 13314132.

It is an arithmetic number, because the mean of its divisors is an integer number (13314132).

Almost surely, 2^26628263 is an apocalyptic number.

26628263 is a deficient number, since it is larger than the sum of its proper divisors (1).

26628263 is an equidigital number, since it uses as much as digits as its factorization.

26628263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 26628263 is about 5160.2580361838. The cubic root of 26628263 is about 298.6168288894.

The spelling of 26628263 in words is "twenty-six million, six hundred twenty-eight thousand, two hundred sixty-three".