27072220847 has 6 divisors (see below), whose sum is σ = 31492175328. Its totient is φ = 23204760684.

The previous prime is 27072220801. The next prime is 27072220849. The reversal of 27072220847 is 74802227072.

It is not a de Polignac number, because 27072220847 - 2²⁸ = 26803785391 is a prime.

It is a super-4 number, since 4×27072220847⁴ (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27072220849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276247103 + ... + 276247200.

It is an arithmetic number, because the mean of its divisors is an integer number (5248695888).

Almost surely, 2^27072220847 is an apocalyptic number.

27072220847 is a deficient number, since it is larger than the sum of its proper divisors (4419954481).

27072220847 is an equidigital number, since it uses as much as digits as its factorization.

27072220847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552494317 (or 552494310 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 41.

The spelling of 27072220847 in words is "twenty-seven billion, seventy-two million, two hundred twenty thousand, eight hundred forty-seven".