27612706289 has 16 divisors (see below), whose sum is σ = 33781324800. Its totient is φ = 22042301904.

The previous prime is 27612706279. The next prime is 27612706301. The reversal of 27612706289 is 98260721672.

It is not a de Polignac number, because 27612706289 - 2⁴ = 27612706273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27612706249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1751597 + ... + 1767290.

It is an arithmetic number, because the mean of its divisors is an integer number (2111332800).

Almost surely, 2^27612706289 is an apocalyptic number.

It is an amenable number.

27612706289 is a deficient number, since it is larger than the sum of its proper divisors (6168618511).

27612706289 is a wasteful number, since it uses less digits than its factorization.

27612706289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518972.

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

The spelling of 27612706289 in words is "twenty-seven billion, six hundred twelve million, seven hundred six thousand, two hundred eighty-nine".