26775668713247 has 4 divisors (see below), whose sum is σ = 27428733803856. Its totient is φ = 26122603622640.

The previous prime is 26775668713169. The next prime is 26775668713259. The reversal of 26775668713247 is 74231786657762.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26775668713247 - 2²⁰ = 26775667664671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26775668013247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326532545243 + ... + 326532545324.

It is an arithmetic number, because the mean of its divisors is an integer number (6857183450964).

Almost surely, 2^{26775668713247} is an apocalyptic number.

26775668713247 is a deficient number, since it is larger than the sum of its proper divisors (653065090609).

26775668713247 is an equidigital number, since it uses as much as digits as its factorization.

26775668713247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653065090608.

The product of its digits is 995742720, while the sum is 71.

The spelling of 26775668713247 in words is "twenty-six trillion, seven hundred seventy-five billion, six hundred sixty-eight million, seven hundred thirteen thousand, two hundred forty-seven".