27727154048 has 128 divisors (see below), whose sum is σ = 61864387200. Its totient is φ = 12269537280.

The previous prime is 27727154041. The next prime is 27727154129. The reversal of 27727154048 is 84045172772.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 27727153993 and 27727154011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27727154041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25367390 + ... + 25368482.

It is an arithmetic number, because the mean of its divisors is an integer number (483315525).

Almost surely, 2^27727154048 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 27727154048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30932193600).

27727154048 is an abundant number, since it is smaller than the sum of its proper divisors (34137233152).

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

27727154048 is a wasteful number, since it uses less digits than its factorization.

27727154048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 47.

The spelling of 27727154048 in words is "twenty-seven billion, seven hundred twenty-seven million, one hundred fifty-four thousand, forty-eight".