26944827647 has 2 divisors, whose sum is σ = 26944827648. Its totient is φ = 26944827646.

The previous prime is 26944827583. The next prime is 26944827653. The reversal of 26944827647 is 74672844962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26944827647 - 2⁶ = 26944827583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26944827667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13472413823 + 13472413824.

It is an arithmetic number, because the mean of its divisors is an integer number (13472413824).

Almost surely, 2^26944827647 is an apocalyptic number.

26944827647 is a deficient number, since it is larger than the sum of its proper divisors (1).

26944827647 is an equidigital number, since it uses as much as digits as its factorization.

26944827647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32514048, while the sum is 59.

The spelling of 26944827647 in words is "twenty-six billion, nine hundred forty-four million, eight hundred twenty-seven thousand, six hundred forty-seven".