27894344256 has 63 divisors (see below), whose sum is σ = 79965592291. Its totient is φ = 9296778624.

The previous prime is 27894344251. The next prime is 27894344263. The reversal of 27894344256 is 65244349872.

It is a happy number.

The square root of 27894344256 is 167016.

It is a perfect power (a square), and thus also a powerful number.

27894344256 is a `hidden beast` number, since 278 + 9 + 4 + 344 + 25 + 6 = 666.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27894344251) 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 8 ways as a sum of consecutive naturals, for example, 4004905 + ... + 4011863.

Almost surely, 2^27894344256 is an apocalyptic number.

27894344256 is the 167016-th square number.

It is an amenable number.

27894344256 is an abundant number, since it is smaller than the sum of its proper divisors (52071248035).

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

27894344256 is an frugal number, since it uses more digits than its factorization.

27894344256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13936 (or 6964 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 27894344256 in words is "twenty-seven billion, eight hundred ninety-four million, three hundred forty-four thousand, two hundred fifty-six".