27156830738 has 16 divisors (see below), whose sum is σ = 42163897344. Its totient is φ = 13104586080.

The previous prime is 27156830653. The next prime is 27156830747. The reversal of 27156830738 is 83703865172.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573995 + ... + 619502.

It is an arithmetic number, because the mean of its divisors is an integer number (2635243584).

Almost surely, 2^27156830738 is an apocalyptic number.

27156830738 is a deficient number, since it is larger than the sum of its proper divisors (15007066606).

27156830738 is a wasteful number, since it uses less digits than its factorization.

27156830738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193897.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 27156830738 in words is "twenty-seven billion, one hundred fifty-six million, eight hundred thirty thousand, seven hundred thirty-eight".