26885112872 has 16 divisors (see below), whose sum is σ = 50416384500. Its totient is φ = 13440743680.

The previous prime is 26885112833. The next prime is 26885112887. The reversal of 26885112872 is 27821158862.

It can be written as a sum of positive squares in 2 ways, for example, as 26235576676 + 649536196 = 161974^2 + 25486^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26885112872.

It is an unprimeable number.

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, 162497 + ... + 283152.

Almost surely, 2^26885112872 is an apocalyptic number.

It is an amenable number.

26885112872 is a deficient number, since it is larger than the sum of its proper divisors (23531271628).

26885112872 is a wasteful number, since it uses less digits than its factorization.

26885112872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453196 (or 453192 counting only the distinct ones).

The product of its digits is 860160, while the sum is 50.

The spelling of 26885112872 in words is "twenty-six billion, eight hundred eighty-five million, one hundred twelve thousand, eight hundred seventy-two".