26228626864685 has 64 divisors (see below), whose sum is σ = 38780510745600. Its totient is φ = 16619979755520.

The previous prime is 26228626864669. The next prime is 26228626864723. The reversal of 26228626864685 is 58646862682262.

It is not a de Polignac number, because 26228626864685 - 2⁴ = 26228626864669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19567616 + ... + 20865014.

It is an arithmetic number, because the mean of its divisors is an integer number (605945480400).

Almost surely, 2^{26228626864685} is an apocalyptic number.

It is an amenable number.

26228626864685 is a deficient number, since it is larger than the sum of its proper divisors (12551883880915).

26228626864685 is a wasteful number, since it uses less digits than its factorization.

26228626864685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298046.

The product of its digits is 1274019840, while the sum is 71.

The spelling of 26228626864685 in words is "twenty-six trillion, two hundred twenty-eight billion, six hundred twenty-six million, eight hundred sixty-four thousand, six hundred eighty-five".