26809102 has 16 divisors (see below), whose sum is σ = 42709680. Its totient is φ = 12577408.

The previous prime is 26809087. The next prime is 26809157. The reversal of 26809102 is 20190862.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 12213 + ... + 14239.

It is an arithmetic number, because the mean of its divisors is an integer number (2669355).

Almost surely, 2^26809102 is an apocalyptic number.

26809102 is a deficient number, since it is larger than the sum of its proper divisors (15900578).

26809102 is a wasteful number, since it uses less digits than its factorization.

26809102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 26809102 is about 5177.7506699338. The cubic root of 26809102 is about 299.2912974912.

Adding to 26809102 its reverse (20190862), we get a palindrome (46999964).

The spelling of 26809102 in words is "twenty-six million, eight hundred nine thousand, one hundred two".