27118873868450 has 192 divisors, whose sum is σ = 63435049896960. Its totient is φ = 8395719690240.

The previous prime is 27118873868447. The next prime is 27118873868477. The reversal of 27118873868450 is 5486837881172.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 426171236 + ... + 426234864.

It is an arithmetic number, because the mean of its divisors is an integer number (330390884880).

Almost surely, 2^{27118873868450} is an apocalyptic number.

27118873868450 is an abundant number, since it is smaller than the sum of its proper divisors (36316176028510).

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

27118873868450 is a wasteful number, since it uses less digits than its factorization.

27118873868450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65701 (or 65696 counting only the distinct ones).

The product of its (nonzero) digits is 144506880, while the sum is 68.

The spelling of 27118873868450 in words is "twenty-seven trillion, one hundred eighteen billion, eight hundred seventy-three million, eight hundred sixty-eight thousand, four hundred fifty".