27272960618 has 4 divisors (see below), whose sum is σ = 40909440930. Its totient is φ = 13636480308.

The previous prime is 27272960587. The next prime is 27272960629. The reversal of 27272960618 is 81606927272.

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., 26239788169 + 1033172449 = 161987^2 + 32143^2 .

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 as a sum of consecutive naturals, namely, 6818240153 + ... + 6818240156.

Almost surely, 2^27272960618 is an apocalyptic number.

27272960618 is a deficient number, since it is larger than the sum of its proper divisors (13636480312).

27272960618 is a wasteful number, since it uses less digits than its factorization.

27272960618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13636480311.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 27272960618 in words is "twenty-seven billion, two hundred seventy-two million, nine hundred sixty thousand, six hundred eighteen".