27777112162 has 8 divisors (see below), whose sum is σ = 41772779100. Its totient is φ = 13852852464.

The previous prime is 27777112061. The next prime is 27777112163. The reversal of 27777112162 is 26121177772.

It can be written as a sum of positive squares in 2 ways, for example, as 27555668001 + 221444161 = 165999^2 + 14881^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (27777112163) 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 in 3 ways as a sum of consecutive naturals, for example, 17850837 + ... + 17852392.

Almost surely, 2^27777112162 is an apocalyptic number.

27777112162 is a deficient number, since it is larger than the sum of its proper divisors (13995666938).

27777112162 is a wasteful number, since it uses less digits than its factorization.

27777112162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35703620.

The product of its digits is 115248, while the sum is 43.

The spelling of 27777112162 in words is "twenty-seven billion, seven hundred seventy-seven million, one hundred twelve thousand, one hundred sixty-two".