27117214345 has 32 divisors (see below), whose sum is σ = 36039161088. Its totient is φ = 19457687808.

The previous prime is 27117214339. The next prime is 27117214363. The reversal of 27117214345 is 54341271172.

It is not a de Polignac number, because 27117214345 - 2⁹ = 27117213833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1885572 + ... + 1899898.

It is an arithmetic number, because the mean of its divisors is an integer number (1126223784).

Almost surely, 2^27117214345 is an apocalyptic number.

It is an amenable number.

27117214345 is a deficient number, since it is larger than the sum of its proper divisors (8921946743).

27117214345 is a wasteful number, since it uses less digits than its factorization.

27117214345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15169.

The product of its digits is 47040, while the sum is 37.

The spelling of 27117214345 in words is "twenty-seven billion, one hundred seventeen million, two hundred fourteen thousand, three hundred forty-five".