26826686089 has 16 divisors (see below), whose sum is σ = 32024229120. Its totient is φ = 21985830720.

The previous prime is 26826686087. The next prime is 26826686119. The reversal of 26826686089 is 98068662862.

It is not a de Polignac number, because 26826686089 - 2¹ = 26826686087 is a prime.

It is a super-2 number, since 2×26826686089² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26826686087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620602 + ... + 662419.

It is an arithmetic number, because the mean of its divisors is an integer number (2001514320).

Almost surely, 2^26826686089 is an apocalyptic number.

26826686089 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

26826686089 is a deficient number, since it is larger than the sum of its proper divisors (5197543031).

26826686089 is a wasteful number, since it uses less digits than its factorization.

26826686089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283160.

The product of its (nonzero) digits is 23887872, while the sum is 61.

The spelling of 26826686089 in words is "twenty-six billion, eight hundred twenty-six million, six hundred eighty-six thousand, eighty-nine".