26266403879 has 12 divisors (see below), whose sum is σ = 26862344544. Its totient is φ = 25683418464.

The previous prime is 26266403873. The next prime is 26266403923. The reversal of 26266403879 is 97830466262.

It is a de Polignac number, because none of the positive numbers 2^k-26266403879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26266403879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26266403873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2630354 + ... + 2640320.

It is an arithmetic number, because the mean of its divisors is an integer number (2238528712).

Almost surely, 2^26266403879 is an apocalyptic number.

26266403879 is a deficient number, since it is larger than the sum of its proper divisors (595940665).

26266403879 is an equidigital number, since it uses as much as digits as its factorization.

26266403879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11254 (or 11207 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 26266403879 in words is "twenty-six billion, two hundred sixty-six million, four hundred three thousand, eight hundred seventy-nine".