27853405484848 has 160 divisors (see below), whose sum is σ = 56983068278784. Its totient is φ = 13163487676416.

The previous prime is 27853405484803. The next prime is 27853405484959. The reversal of 27853405484848 is 84848450435872.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18731273961 + ... + 18731275447.

Almost surely, 2^{27853405484848} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27853405484848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28491534139392).

27853405484848 is an abundant number, since it is smaller than the sum of its proper divisors (29129662793936).

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

27853405484848 is a wasteful number, since it uses less digits than its factorization.

27853405484848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 1101004800, while the sum is 70.

The spelling of 27853405484848 in words is "twenty-seven trillion, eight hundred fifty-three billion, four hundred five million, four hundred eighty-four thousand, eight hundred forty-eight".