27049211847 has 144 divisors (see below), whose sum is σ = 50108797440. Its totient is φ = 14258680128.

The previous prime is 27049211837. The next prime is 27049211929. The reversal of 27049211847 is 74811294072.

27049211847 is a `hidden beast` number, since 2 + 7 + 0 + 492 + 118 + 47 = 666.

It is not a de Polignac number, because 27049211847 - 2⁷ = 27049211719 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27049211837) 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 143 ways as a sum of consecutive naturals, for example, 30632868 + ... + 30633750.

It is an arithmetic number, because the mean of its divisors is an integer number (347977760).

Almost surely, 2^27049211847 is an apocalyptic number.

27049211847 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

27049211847 is a deficient number, since it is larger than the sum of its proper divisors (23059585593).

27049211847 is an frugal number, since it uses more digits than its factorization.

27049211847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 27049211847 in words is "twenty-seven billion, forty-nine million, two hundred eleven thousand, eight hundred forty-seven".