26794109 has 4 divisors (see below), whose sum is σ = 26827260. Its totient is φ = 26760960.

The previous prime is 26794081. The next prime is 26794121. The reversal of 26794109 is 90149762.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12581209 + 14212900 = 3547^2 + 3770^2 .

It is a cyclic number.

It is not a de Polignac number, because 26794109 - 2¹² = 26790013 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 (26794169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15332 + ... + 16989.

It is an arithmetic number, because the mean of its divisors is an integer number (6706815).

Almost surely, 2^26794109 is an apocalyptic number.

It is an amenable number.

26794109 is a deficient number, since it is larger than the sum of its proper divisors (33151).

26794109 is an equidigital number, since it uses as much as digits as its factorization.

26794109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33150.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 26794109 is about 5176.3026379840. The cubic root of 26794109 is about 299.2354941651.

The spelling of 26794109 in words is "twenty-six million, seven hundred ninety-four thousand, one hundred nine".