26887012637136 has 80 divisors (see below), whose sum is σ = 70033907066880. Its totient is φ = 8888342117760.

The previous prime is 26887012637099. The next prime is 26887012637197. The reversal of 26887012637136 is 63173621078862.

It is a happy number.

It is a super-2 number, since 2×26887012637136² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 26887012637136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1824096 + ... + 7556543.

It is an arithmetic number, because the mean of its divisors is an integer number (875423838336).

Almost surely, 2^{26887012637136} is an apocalyptic number.

It is an amenable number.

26887012637136 is an abundant number, since it is smaller than the sum of its proper divisors (43146894429744).

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

26887012637136 is a wasteful number, since it uses less digits than its factorization.

26887012637136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9381144 (or 9381138 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 60.

The spelling of 26887012637136 in words is "twenty-six trillion, eight hundred eighty-seven billion, twelve million, six hundred thirty-seven thousand, one hundred thirty-six".