26096991 has 4 divisors (see below), whose sum is σ = 34795992. Its totient is φ = 17397992.

The previous prime is 26096963. The next prime is 26097017. The reversal of 26096991 is 19969062.

It is a happy number.

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 26096991 - 2¹⁸ = 25834847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26096591) 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, 4349496 + ... + 4349501.

It is an arithmetic number, because the mean of its divisors is an integer number (8698998).

Almost surely, 2^26096991 is an apocalyptic number.

26096991 is a deficient number, since it is larger than the sum of its proper divisors (8699001).

26096991 is an equidigital number, since it uses as much as digits as its factorization.

26096991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8699000.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 26096991 is about 5108.5214103496. The cubic root of 26096991 is about 296.6175285081.

The spelling of 26096991 in words is "twenty-six million, ninety-six thousand, nine hundred ninety-one".