26988247007216 has 120 divisors (see below), whose sum is σ = 61909082898432. Its totient is φ = 11355503068800.

The previous prime is 26988247007213. The next prime is 26988247007231. The reversal of 26988247007216 is 61270074288962.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26988247007213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8395376 + ... + 11156111.

Almost surely, 2^{26988247007216} is an apocalyptic number.

It is an amenable number.

26988247007216 is an abundant number, since it is smaller than the sum of its proper divisors (34920835891216).

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

26988247007216 is a wasteful number, since it uses less digits than its factorization.

26988247007216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19551571 (or 19551554 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 26988247007216 in words is "twenty-six trillion, nine hundred eighty-eight billion, two hundred forty-seven million, seven thousand, two hundred sixteen".