26797926541 has 4 divisors (see below), whose sum is σ = 26885216512. Its totient is φ = 26710636572.

The previous prime is 26797926539. The next prime is 26797926569. The reversal of 26797926541 is 14562979762.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14562979762 = 2 ⋅7281489881.

It is a cyclic number.

It is not a de Polignac number, because 26797926541 - 2¹ = 26797926539 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 (26797926521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43644525 + ... + 43645138.

It is an arithmetic number, because the mean of its divisors is an integer number (6721304128).

Almost surely, 2^26797926541 is an apocalyptic number.

It is an amenable number.

26797926541 is a deficient number, since it is larger than the sum of its proper divisors (87289971).

26797926541 is an equidigital number, since it uses as much as digits as its factorization.

26797926541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87289970.

The product of its digits is 11430720, while the sum is 58.

The spelling of 26797926541 in words is "twenty-six billion, seven hundred ninety-seven million, nine hundred twenty-six thousand, five hundred forty-one".