26686982208 has 28 divisors (see below), whose sum is σ = 70609307600. Its totient is φ = 8895660672.

The previous prime is 26686982207. The next prime is 26686982233. The reversal of 26686982208 is 80228968662.

It is not an unprimeable number, because it can be changed into a prime (26686982207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69497158 + ... + 69497541.

Almost surely, 2^26686982208 is an apocalyptic number.

It is an amenable number.

26686982208 is an abundant number, since it is smaller than the sum of its proper divisors (43922325392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26686982208 is a wasteful number, since it uses less digits than its factorization.

26686982208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138994714 (or 138994704 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 57.

The spelling of 26686982208 in words is "twenty-six billion, six hundred eighty-six million, nine hundred eighty-two thousand, two hundred eight".