26280789 has 8 divisors (see below), whose sum is σ = 36564672. Its totient is φ = 16758720.

The previous prime is 26280763. The next prime is 26280791. The reversal of 26280789 is 98708262.

It is a happy number.

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

It is not a de Polignac number, because 26280789 - 2⁸ = 26280533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26280789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26280719) 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, 190372 + ... + 190509.

It is an arithmetic number, because the mean of its divisors is an integer number (4570584).

Almost surely, 2^26280789 is an apocalyptic number.

It is an amenable number.

26280789 is a deficient number, since it is larger than the sum of its proper divisors (10283883).

26280789 is a wasteful number, since it uses less digits than its factorization.

26280789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380907.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 26280789 is about 5126.4792011672. The cubic root of 26280789 is about 297.3122474216.

The spelling of 26280789 in words is "twenty-six million, two hundred eighty thousand, seven hundred eighty-nine".