27750004139 has 16 divisors (see below), whose sum is σ = 33048010464. Its totient is φ = 22967712000.

The previous prime is 27750004109. The next prime is 27750004153. The reversal of 27750004139 is 93140005772.

It is a cyclic number.

It is not a de Polignac number, because 27750004139 - 2¹⁶ = 27749938603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27750004109) 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, 1318712 + ... + 1339589.

It is an arithmetic number, because the mean of its divisors is an integer number (2065500654).

Almost surely, 2^27750004139 is an apocalyptic number.

27750004139 is a deficient number, since it is larger than the sum of its proper divisors (5298006325).

27750004139 is a wasteful number, since it uses less digits than its factorization.

27750004139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658398.

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 27750004139 in words is "twenty-seven billion, seven hundred fifty million, four thousand, one hundred thirty-nine".