27456794848 has 72 divisors (see below), whose sum is σ = 62944570584. Its totient is φ = 11755296000.

The previous prime is 27456794789. The next prime is 27456794861. The reversal of 27456794848 is 84849765472.

It is a self number, because there is not a number n which added to its sum of digits gives 27456794848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1639638 + ... + 1656298.

It is an arithmetic number, because the mean of its divisors is an integer number (874230147).

Almost surely, 2^27456794848 is an apocalyptic number.

27456794848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27456794848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31472285292).

27456794848 is an abundant number, since it is smaller than the sum of its proper divisors (35487775736).

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

27456794848 is a wasteful number, since it uses less digits than its factorization.

27456794848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17736 (or 17721 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 64.

The spelling of 27456794848 in words is "twenty-seven billion, four hundred fifty-six million, seven hundred ninety-four thousand, eight hundred forty-eight".