26893529868 has 12 divisors (see below), whose sum is σ = 62751569720. Its totient is φ = 8964509952.

The previous prime is 26893529857. The next prime is 26893529893. The reversal of 26893529868 is 86892539862.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×26893529868² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26893529799 and 26893529808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120563733 + ... + 1120563756.

Almost surely, 2^26893529868 is an apocalyptic number.

It is an amenable number.

26893529868 is an abundant number, since it is smaller than the sum of its proper divisors (35858039852).

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

26893529868 is a wasteful number, since it uses less digits than its factorization.

26893529868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241127496 (or 2241127494 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 66.

The spelling of 26893529868 in words is "twenty-six billion, eight hundred ninety-three million, five hundred twenty-nine thousand, eight hundred sixty-eight".