26268779 has 4 divisors (see below), whose sum is σ = 26978784. Its totient is φ = 25558776.

The previous prime is 26268763. The next prime is 26268797. The reversal of 26268779 is 97786262.

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 26268779 - 2⁴ = 26268763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26268719) 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, 354947 + ... + 355020.

It is an arithmetic number, because the mean of its divisors is an integer number (6744696).

Almost surely, 2^26268779 is an apocalyptic number.

26268779 is a deficient number, since it is larger than the sum of its proper divisors (710005).

26268779 is an equidigital number, since it uses as much as digits as its factorization.

26268779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710004.

The product of its digits is 508032, while the sum is 47.

The square root of 26268779 is about 5125.3076980802. The cubic root of 26268779 is about 297.2669511641.

The spelling of 26268779 in words is "twenty-six million, two hundred sixty-eight thousand, seven hundred seventy-nine".