26604824808868 has 12 divisors (see below), whose sum is σ = 47196230312140. Its totient is φ = 13120187576832.

The previous prime is 26604824808857. The next prime is 26604824808869. The reversal of 26604824808868 is 86880842840662.

It can be written as a sum of positive squares in 2 ways, for example, as 12046952440384 + 14557872368484 = 3470872^2 + 3815478^2 .

It is a super-2 number, since 2×26604824808868² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26604824808797 and 26604824808806.

It is not an unprimeable number, because it can be changed into a prime (26604824808869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45556206573 + ... + 45556207156.

Almost surely, 2^{26604824808868} is an apocalyptic number.

It is an amenable number.

26604824808868 is a deficient number, since it is larger than the sum of its proper divisors (20591405503272).

26604824808868 is a wasteful number, since it uses less digits than its factorization.

26604824808868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91112413806 (or 91112413804 counting only the distinct ones).

The product of its (nonzero) digits is 452984832, while the sum is 70.

The spelling of 26604824808868 in words is "twenty-six trillion, six hundred four billion, eight hundred twenty-four million, eight hundred eight thousand, eight hundred sixty-eight".