26328818779 has 2 divisors, whose sum is σ = 26328818780. Its totient is φ = 26328818778.

The previous prime is 26328818777. The next prime is 26328818801. The reversal of 26328818779 is 97781882362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26328818779 - 2¹ = 26328818777 is a prime.

Together with 26328818777, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26328818771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13164409389 + 13164409390.

It is an arithmetic number, because the mean of its divisors is an integer number (13164409390).

Almost surely, 2^26328818779 is an apocalyptic number.

26328818779 is a deficient number, since it is larger than the sum of its proper divisors (1).

26328818779 is an equidigital number, since it uses as much as digits as its factorization.

26328818779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 61.

The spelling of 26328818779 in words is "twenty-six billion, three hundred twenty-eight million, eight hundred eighteen thousand, seven hundred seventy-nine".