27804364147 has 6 divisors (see below), whose sum is σ = 32343852228. Its totient is φ = 23832312084.

The previous prime is 27804364141. The next prime is 27804364157. The reversal of 27804364147 is 74146340872.

It is not a de Polignac number, because 27804364147 - 2¹¹ = 27804362099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27804364097 and 27804364106.

It is not an unprimeable number, because it can be changed into a prime (27804364141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283717953 + ... + 283718050.

It is an arithmetic number, because the mean of its divisors is an integer number (5390642038).

Almost surely, 2^27804364147 is an apocalyptic number.

27804364147 is a deficient number, since it is larger than the sum of its proper divisors (4539488081).

27804364147 is an equidigital number, since it uses as much as digits as its factorization.

27804364147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567436017 (or 567436010 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 27804364147 in words is "twenty-seven billion, eight hundred four million, three hundred sixty-four thousand, one hundred forty-seven".