26328479 has 4 divisors (see below), whose sum is σ = 26438880. Its totient is φ = 26218080.

The previous prime is 26328473. The next prime is 26328487. The reversal of 26328479 is 97482362.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26328479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26328473) 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, 54842 + ... + 55319.

It is an arithmetic number, because the mean of its divisors is an integer number (6609720).

Almost surely, 2^26328479 is an apocalyptic number.

26328479 is a deficient number, since it is larger than the sum of its proper divisors (110401).

26328479 is a wasteful number, since it uses less digits than its factorization.

26328479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110400.

The product of its digits is 145152, while the sum is 41.

The square root of 26328479 is about 5131.1284333955. The cubic root of 26328479 is about 297.4919763389.

It can be divided in two parts, 2632 and 8479, that added together give a palindrome (11111).

The spelling of 26328479 in words is "twenty-six million, three hundred twenty-eight thousand, four hundred seventy-nine".