27124842172 has 12 divisors (see below), whose sum is σ = 49532320656. Its totient is φ = 12972750560.

The previous prime is 27124842161. The next prime is 27124842193.

27124842172 is nontrivially palindromic in base 10.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 147417529 + ... + 147417712.

It is an arithmetic number, because the mean of its divisors is an integer number (4127693388).

Almost surely, 2^27124842172 is an apocalyptic number.

It is an amenable number.

27124842172 is a deficient number, since it is larger than the sum of its proper divisors (22407478484).

27124842172 is a wasteful number, since it uses less digits than its factorization.

27124842172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294835268 (or 294835266 counting only the distinct ones).

The product of its digits is 100352, while the sum is 40.

The spelling of 27124842172 in words is "twenty-seven billion, one hundred twenty-four million, eight hundred forty-two thousand, one hundred seventy-two".