27752342345 has 16 divisors (see below), whose sum is σ = 40988075520. Its totient is φ = 17566317504.

The previous prime is 27752342339. The next prime is 27752342407. The reversal of 27752342345 is 54324325772.

It is a cyclic number.

It is not a de Polignac number, because 27752342345 - 2¹⁴ = 27752325961 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27752342296 and 27752342305.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30496625 + ... + 30497534.

It is an arithmetic number, because the mean of its divisors is an integer number (2561754720).

Almost surely, 2^27752342345 is an apocalyptic number.

It is an amenable number.

27752342345 is a deficient number, since it is larger than the sum of its proper divisors (13235733175).

27752342345 is a wasteful number, since it uses less digits than its factorization.

27752342345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60994184.

The product of its digits is 1411200, while the sum is 44.

The spelling of 27752342345 in words is "twenty-seven billion, seven hundred fifty-two million, three hundred forty-two thousand, three hundred forty-five".