26228626864687 has 8 divisors (see below), whose sum is σ = 28346733883440. Its totient is φ = 24124879894080.

The previous prime is 26228626864669. The next prime is 26228626864723. The reversal of 26228626864687 is 78646862682262.

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

It is a cyclic number.

It is not a de Polignac number, because 26228626864687 - 2¹⁵ = 26228626831919 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 (26228626864087) 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, 3590008237 + ... + 3590015542.

It is an arithmetic number, because the mean of its divisors is an integer number (3543341735430).

Almost surely, 2^{26228626864687} is an apocalyptic number.

26228626864687 is a deficient number, since it is larger than the sum of its proper divisors (2118107018753).

26228626864687 is a wasteful number, since it uses less digits than its factorization.

26228626864687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7180024073.

The product of its digits is 1783627776, while the sum is 73.

The spelling of 26228626864687 in words is "twenty-six trillion, two hundred twenty-eight billion, six hundred twenty-six million, eight hundred sixty-four thousand, six hundred eighty-seven".