26641117 has 4 divisors (see below), whose sum is σ = 27016416. Its totient is φ = 26265820.

The previous prime is 26641099. The next prime is 26641127. The reversal of 26641117 is 71114662.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26641117 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 (26641127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187543 + ... + 187684.

It is an arithmetic number, because the mean of its divisors is an integer number (6754104).

Almost surely, 2^26641117 is an apocalyptic number.

It is an amenable number.

26641117 is a deficient number, since it is larger than the sum of its proper divisors (375299).

26641117 is an equidigital number, since it uses as much as digits as its factorization.

26641117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375298.

The product of its digits is 2016, while the sum is 28.

The square root of 26641117 is about 5161.5033662684. The cubic root of 26641117 is about 298.6648706168.

Adding to 26641117 its reverse (71114662), we get a palindrome (97755779).

The spelling of 26641117 in words is "twenty-six million, six hundred forty-one thousand, one hundred seventeen".