27747522122 has 8 divisors (see below), whose sum is σ = 41690538372. Its totient is φ = 13850676000.

The previous prime is 27747522091. The next prime is 27747522133. The reversal of 27747522122 is 22122574772.

It can be written as a sum of positive squares in 2 ways, for example, as 27741900481 + 5621641 = 166559^2 + 2371^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 27747522122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11541029 + ... + 11543432.

Almost surely, 2^27747522122 is an apocalyptic number.

27747522122 is a deficient number, since it is larger than the sum of its proper divisors (13943016250).

27747522122 is a wasteful number, since it uses less digits than its factorization.

27747522122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23085064.

The product of its digits is 219520, while the sum is 41.

The spelling of 27747522122 in words is "twenty-seven billion, seven hundred forty-seven million, five hundred twenty-two thousand, one hundred twenty-two".