27157875172 has 6 divisors (see below), whose sum is σ = 47526281558. Its totient is φ = 13578937584.

The previous prime is 27157875047. The next prime is 27157875179.

It is a happy number.

27157875172 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 18565697536 + 8592177636 = 136256^2 + 92694^2 .

It is not an unprimeable number, because it can be changed into a prime (27157875179) by changing a digit.

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 as a sum of consecutive naturals, namely, 3394734393 + ... + 3394734400.

Almost surely, 2^27157875172 is an apocalyptic number.

It is an amenable number.

27157875172 is a deficient number, since it is larger than the sum of its proper divisors (20368406386).

27157875172 is a wasteful number, since it uses less digits than its factorization.

27157875172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6789468797 (or 6789468795 counting only the distinct ones).

The product of its digits is 1920800, while the sum is 52.

The spelling of 27157875172 in words is "twenty-seven billion, one hundred fifty-seven million, eight hundred seventy-five thousand, one hundred seventy-two".