26680297 has 8 divisors (see below), whose sum is σ = 30569600. Its totient is φ = 22810464.

The previous prime is 26680289. The next prime is 26680307. The reversal of 26680297 is 79208662.

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

It is a cyclic number.

It is not a de Polignac number, because 26680297 - 2³ = 26680289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26680097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1797 + ... + 7522.

It is an arithmetic number, because the mean of its divisors is an integer number (3821200).

Almost surely, 2^26680297 is an apocalyptic number.

It is an amenable number.

26680297 is a deficient number, since it is larger than the sum of its proper divisors (3889303).

26680297 is an equidigital number, since it uses as much as digits as its factorization.

26680297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9735.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 26680297 is about 5165.2973776928. The cubic root of 26680297 is about 298.8112103006.

The spelling of 26680297 in words is "twenty-six million, six hundred eighty thousand, two hundred ninety-seven".