26788261 has 8 divisors (see below), whose sum is σ = 28548864. Its totient is φ = 25077360.

The previous prime is 26788253. The next prime is 26788291. The reversal of 26788261 is 16288762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26788261 - 2³ = 26788253 is a prime.

It is a super-2 number, since 2×26788261² = 1435221854808242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26788291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11310 + ... + 13471.

It is an arithmetic number, because the mean of its divisors is an integer number (3568608).

Almost surely, 2^26788261 is an apocalyptic number.

It is an amenable number.

26788261 is a deficient number, since it is larger than the sum of its proper divisors (1760603).

26788261 is a wasteful number, since it uses less digits than its factorization.

26788261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24851.

The product of its digits is 64512, while the sum is 40.

The square root of 26788261 is about 5175.7377251944. The cubic root of 26788261 is about 299.2137225075.

The spelling of 26788261 in words is "twenty-six million, seven hundred eighty-eight thousand, two hundred sixty-one".