26686068 has 12 divisors (see below), whose sum is σ = 62267520. Its totient is φ = 8895352.

The previous prime is 26686063. The next prime is 26686081. The reversal of 26686068 is 86068662.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26686063) 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, 1111908 + ... + 1111931.

It is an arithmetic number, because the mean of its divisors is an integer number (5188960).

Almost surely, 2^26686068 is an apocalyptic number.

It is an amenable number.

26686068 is an abundant number, since it is smaller than the sum of its proper divisors (35581452).

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

26686068 is a wasteful number, since it uses less digits than its factorization.

26686068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223846 (or 2223844 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 26686068 is about 5165.8559794094. The cubic root of 26686068 is about 298.8327532289.

The spelling of 26686068 in words is "twenty-six million, six hundred eighty-six thousand, sixty-eight".