27143142177 has 16 divisors (see below), whose sum is σ = 36562109760. Its totient is φ = 17910158400.

The previous prime is 27143142139. The next prime is 27143142193. The reversal of 27143142177 is 77124134172.

It is not a de Polignac number, because 27143142177 - 2¹² = 27143138081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27143142127) 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 15 ways as a sum of consecutive naturals, for example, 263602 + ... + 351812.

It is an arithmetic number, because the mean of its divisors is an integer number (2285131860).

Almost surely, 2^27143142177 is an apocalyptic number.

It is an amenable number.

27143142177 is a deficient number, since it is larger than the sum of its proper divisors (9418967583).

27143142177 is a wasteful number, since it uses less digits than its factorization.

27143142177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89264.

The product of its digits is 65856, while the sum is 39.

The spelling of 27143142177 in words is "twenty-seven billion, one hundred forty-three million, one hundred forty-two thousand, one hundred seventy-seven".