27743281922 has 8 divisors (see below), whose sum is σ = 41615739900. Its totient is φ = 13871368624.

The previous prime is 27743281921. The next prime is 27743281967. The reversal of 27743281922 is 22918234772.

It can be written as a sum of positive squares in 2 ways, for example, as 26703154921 + 1040127001 = 163411^2 + 32251^2 .

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 (27743281921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33404 + ... + 237912.

Almost surely, 2^27743281922 is an apocalyptic number.

27743281922 is a deficient number, since it is larger than the sum of its proper divisors (13872457978).

27743281922 is a wasteful number, since it uses less digits than its factorization.

27743281922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272340.

The product of its digits is 677376, while the sum is 47.

The spelling of 27743281922 in words is "twenty-seven billion, seven hundred forty-three million, two hundred eighty-one thousand, nine hundred twenty-two".