27942799922 has 4 divisors (see below), whose sum is σ = 41914199886. Its totient is φ = 13971399960.

The previous prime is 27942799919. The next prime is 27942799943. The reversal of 27942799922 is 22999724972.

It is a Cunningham number, because it is equal to 167161²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27942799921 + 1 = 167161^2 + 1^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6985699979 + ... + 6985699982.

Almost surely, 2^27942799922 is an apocalyptic number.

27942799922 is a deficient number, since it is larger than the sum of its proper divisors (13971399964).

27942799922 is a wasteful number, since it uses less digits than its factorization.

27942799922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13971399963.

The product of its digits is 20575296, while the sum is 62.

The spelling of 27942799922 in words is "twenty-seven billion, nine hundred forty-two million, seven hundred ninety-nine thousand, nine hundred twenty-two".