26866816808095 has 16 divisors (see below), whose sum is σ = 35172522253440. Its totient is φ = 19538716125600.

The previous prime is 26866816808093. The next prime is 26866816808113. The reversal of 26866816808095 is 59080861866862.

It is not a de Polignac number, because 26866816808095 - 2¹ = 26866816808093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26866816808093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8457921 + ... + 11192410.

It is an arithmetic number, because the mean of its divisors is an integer number (2198282640840).

Almost surely, 2^{26866816808095} is an apocalyptic number.

26866816808095 is a deficient number, since it is larger than the sum of its proper divisors (8305705445345).

26866816808095 is a wasteful number, since it uses less digits than its factorization.

26866816808095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19675206.

The product of its (nonzero) digits is 477757440, while the sum is 73.

The spelling of 26866816808095 in words is "twenty-six trillion, eight hundred sixty-six billion, eight hundred sixteen million, eight hundred eight thousand, ninety-five".