27247809164 has 6 divisors (see below), whose sum is σ = 47683666044. Its totient is φ = 13623904580.

The previous prime is 27247809163. The next prime is 27247809167. The reversal of 27247809164 is 46190874272.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27247809163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405976142 + ... + 3405976149.

It is an arithmetic number, because the mean of its divisors is an integer number (7947277674).

Almost surely, 2^27247809164 is an apocalyptic number.

It is an amenable number.

27247809164 is a deficient number, since it is larger than the sum of its proper divisors (20435856880).

27247809164 is a wasteful number, since it uses less digits than its factorization.

27247809164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811952295 (or 6811952293 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 27247809164 in words is "twenty-seven billion, two hundred forty-seven million, eight hundred nine thousand, one hundred sixty-four".