26786138682 has 16 divisors (see below), whose sum is σ = 53639504352. Its totient is φ = 8917508400.

The previous prime is 26786138653. The next prime is 26786138683. The reversal of 26786138682 is 28683168762.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26786138683) 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, 2795944 + ... + 2805507.

It is an arithmetic number, because the mean of its divisors is an integer number (3352469022).

Almost surely, 2^26786138682 is an apocalyptic number.

26786138682 is an abundant number, since it is smaller than the sum of its proper divisors (26853365670).

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

26786138682 is a wasteful number, since it uses less digits than its factorization.

26786138682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602253.

The product of its digits is 9289728, while the sum is 57.

The spelling of 26786138682 in words is "twenty-six billion, seven hundred eighty-six million, one hundred thirty-eight thousand, six hundred eighty-two".