26765897 has 4 divisors (see below), whose sum is σ = 27165456. Its totient is φ = 26366340.

The previous prime is 26765891. The next prime is 26765899. The reversal of 26765897 is 79856762.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26765897 - 2⁶ = 26765833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26765891) 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 3 ways as a sum of consecutive naturals, for example, 199679 + ... + 199812.

It is an arithmetic number, because the mean of its divisors is an integer number (6791364).

Almost surely, 2^26765897 is an apocalyptic number.

It is an amenable number.

26765897 is a deficient number, since it is larger than the sum of its proper divisors (399559).

26765897 is an equidigital number, since it uses as much as digits as its factorization.

26765897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399558.

The product of its digits is 1270080, while the sum is 50.

The square root of 26765897 is about 5173.5768091331. The cubic root of 26765897 is about 299.1304338025.

The spelling of 26765897 in words is "twenty-six million, seven hundred sixty-five thousand, eight hundred ninety-seven".