26985838156 has 6 divisors (see below), whose sum is σ = 47225216780. Its totient is φ = 13492919076.

The previous prime is 26985838109. The next prime is 26985838163. The reversal of 26985838156 is 65183858962.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26985838094 and 26985838103.

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 as a sum of consecutive naturals, namely, 3373229766 + ... + 3373229773.

Almost surely, 2^26985838156 is an apocalyptic number.

It is an amenable number.

26985838156 is a deficient number, since it is larger than the sum of its proper divisors (20239378624).

26985838156 is a wasteful number, since it uses less digits than its factorization.

26985838156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746459543 (or 6746459541 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 61.

The spelling of 26985838156 in words is "twenty-six billion, nine hundred eighty-five million, eight hundred thirty-eight thousand, one hundred fifty-six".