27124242172 has 6 divisors (see below), whose sum is σ = 47467423808. Its totient is φ = 13562121084.

The previous prime is 27124242161. The next prime is 27124242191.

27124242172 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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3390530268 + ... + 3390530275.

Almost surely, 2^27124242172 is an apocalyptic number.

It is an amenable number.

27124242172 is a deficient number, since it is larger than the sum of its proper divisors (20343181636).

27124242172 is a wasteful number, since it uses less digits than its factorization.

27124242172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6781060547 (or 6781060545 counting only the distinct ones).

The product of its digits is 25088, while the sum is 34.

The spelling of 27124242172 in words is "twenty-seven billion, one hundred twenty-four million, two hundred forty-two thousand, one hundred seventy-two".