26865822556 has 12 divisors (see below), whose sum is σ = 47286954792. Its totient is φ = 13355264048.

The previous prime is 26865822539. The next prime is 26865822569. The reversal of 26865822556 is 65522856862.

It is a super-2 number, since 2×26865822556² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26865822497 and 26865822506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19411030 + ... + 19412413.

It is an arithmetic number, because the mean of its divisors is an integer number (3940579566).

Almost surely, 2^26865822556 is an apocalyptic number.

It is an amenable number.

26865822556 is a deficient number, since it is larger than the sum of its proper divisors (20421132236).

26865822556 is a wasteful number, since it uses less digits than its factorization.

26865822556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38823620 (or 38823618 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 55.

The spelling of 26865822556 in words is "twenty-six billion, eight hundred sixty-five million, eight hundred twenty-two thousand, five hundred fifty-six".