26282288665 has 16 divisors (see below), whose sum is σ = 31787965440. Its totient is φ = 20860338240.

The previous prime is 26282288663. The next prime is 26282288719. The reversal of 26282288665 is 56688228262.

It is not a de Polignac number, because 26282288665 - 2¹ = 26282288663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26282288663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283267 + ... + 364423.

It is an arithmetic number, because the mean of its divisors is an integer number (1986747840).

Almost surely, 2^26282288665 is an apocalyptic number.

It is an amenable number.

26282288665 is a deficient number, since it is larger than the sum of its proper divisors (5505676775).

26282288665 is a wasteful number, since it uses less digits than its factorization.

26282288665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81672.

The product of its digits is 8847360, while the sum is 55.

The spelling of 26282288665 in words is "twenty-six billion, two hundred eighty-two million, two hundred eighty-eight thousand, six hundred sixty-five".