27999546167 has 8 divisors (see below), whose sum is σ = 28758703392. Its totient is φ = 27240516000.

The previous prime is 27999546149. The next prime is 27999546173. The reversal of 27999546167 is 76164599972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27999546167 - 2⁶ = 27999546103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27999546467) 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 7 ways as a sum of consecutive naturals, for example, 564542 + ... + 612132.

It is an arithmetic number, because the mean of its divisors is an integer number (3594837924).

Almost surely, 2^27999546167 is an apocalyptic number.

27999546167 is a deficient number, since it is larger than the sum of its proper divisors (759157225).

27999546167 is a wasteful number, since it uses less digits than its factorization.

27999546167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63529.

The product of its digits is 51438240, while the sum is 65.

The spelling of 27999546167 in words is "twenty-seven billion, nine hundred ninety-nine million, five hundred forty-six thousand, one hundred sixty-seven".