26945647 has 2 divisors, whose sum is σ = 26945648. Its totient is φ = 26945646.

The previous prime is 26945623. The next prime is 26945671. The reversal of 26945647 is 74654962.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (26945623) and next prime (26945671).

It is a cyclic number.

It is not a de Polignac number, because 26945647 - 2⁷ = 26945519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26945747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13472823 + 13472824.

It is an arithmetic number, because the mean of its divisors is an integer number (13472824).

Almost surely, 2^26945647 is an apocalyptic number.

26945647 is a deficient number, since it is larger than the sum of its proper divisors (1).

26945647 is an equidigital number, since it uses as much as digits as its factorization.

26945647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 26945647 is about 5190.9196680357. The cubic root of 26945647 is about 299.7985573591.

The spelling of 26945647 in words is "twenty-six million, nine hundred forty-five thousand, six hundred forty-seven".