26794991 has 4 divisors (see below), whose sum is σ = 26880912. Its totient is φ = 26709072.

The previous prime is 26794979. The next prime is 26795053. The reversal of 26794991 is 19949762.

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 26794991 - 2¹⁰ = 26793967 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 (26794291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42491 + ... + 43116.

It is an arithmetic number, because the mean of its divisors is an integer number (6720228).

Almost surely, 2^26794991 is an apocalyptic number.

26794991 is a deficient number, since it is larger than the sum of its proper divisors (85921).

26794991 is an equidigital number, since it uses as much as digits as its factorization.

26794991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85920.

The product of its digits is 244944, while the sum is 47.

The square root of 26794991 is about 5176.3878332289. The cubic root of 26794991 is about 299.2387775088.

The spelling of 26794991 in words is "twenty-six million, seven hundred ninety-four thousand, nine hundred ninety-one".