27794454912 has 512 divisors, whose sum is σ = 104519808000. Its totient is φ = 7078772736.

The previous prime is 27794454911. The next prime is 27794454913. The reversal of 27794454912 is 21945449772.

27794454912 is a `hidden beast` number, since 2 + 7 + 7 + 94 + 4 + 549 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (27794454911) and next prime (27794454913).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27794454911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7812238 + ... + 7815794.

It is an arithmetic number, because the mean of its divisors is an integer number (204140250).

Almost surely, 2^27794454912 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 27794454912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52259904000).

27794454912 is an abundant number, since it is smaller than the sum of its proper divisors (76725353088).

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

27794454912 is a wasteful number, since it uses less digits than its factorization.

27794454912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623 (or 3605 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 27794454912 in words is "twenty-seven billion, seven hundred ninety-four million, four hundred fifty-four thousand, nine hundred twelve".