26454556847 has 2 divisors, whose sum is σ = 26454556848. Its totient is φ = 26454556846.

The previous prime is 26454556763. The next prime is 26454556859. The reversal of 26454556847 is 74865545462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26454556847 - 2⁸ = 26454556591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26454556792 and 26454556801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26454556747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13227278423 + 13227278424.

It is an arithmetic number, because the mean of its divisors is an integer number (13227278424).

Almost surely, 2^26454556847 is an apocalyptic number.

26454556847 is a deficient number, since it is larger than the sum of its proper divisors (1).

26454556847 is an equidigital number, since it uses as much as digits as its factorization.

26454556847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256000, while the sum is 56.

The spelling of 26454556847 in words is "twenty-six billion, four hundred fifty-four million, five hundred fifty-six thousand, eight hundred forty-seven".