26630447 has 2 divisors, whose sum is σ = 26630448. Its totient is φ = 26630446.

The previous prime is 26630441. The next prime is 26630479. The reversal of 26630447 is 74403662.

It is an a-pointer prime, because the next prime (26630479) can be obtained adding 26630447 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26630447 - 2⁴ = 26630431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26630441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13315223 + 13315224.

It is an arithmetic number, because the mean of its divisors is an integer number (13315224).

Almost surely, 2^26630447 is an apocalyptic number.

26630447 is a deficient number, since it is larger than the sum of its proper divisors (1).

26630447 is an equidigital number, since it uses as much as digits as its factorization.

26630447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 26630447 is about 5160.4696491695. The cubic root of 26630447 is about 298.6249926629.

The spelling of 26630447 in words is "twenty-six million, six hundred thirty thousand, four hundred forty-seven".