26287127536 has 20 divisors (see below), whose sum is σ = 52574256064. Its totient is φ = 12719577600.

The previous prime is 26287127527. The next prime is 26287127539. The reversal of 26287127536 is 63572178262.

26287127536 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 26287127536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26287127539) 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, 26498625 + ... + 26499616.

Almost surely, 2^26287127536 is an apocalyptic number.

It is an amenable number.

26287127536 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26287127536 is a wasteful number, since it uses less digits than its factorization.

26287127536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52998280 (or 52998274 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The spelling of 26287127536 in words is "twenty-six billion, two hundred eighty-seven million, one hundred twenty-seven thousand, five hundred thirty-six".