27916105 has 16 divisors (see below), whose sum is σ = 38384640. Its totient is φ = 19092672.

The previous prime is 27916103. The next prime is 27916117. The reversal of 27916105 is 50161972.

It is a cyclic number.

It is not a de Polignac number, because 27916105 - 2¹ = 27916103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27916103) 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, 17032 + ... + 18598.

It is an arithmetic number, because the mean of its divisors is an integer number (2399040).

Almost surely, 2^27916105 is an apocalyptic number.

It is an amenable number.

27916105 is a deficient number, since it is larger than the sum of its proper divisors (10468535).

27916105 is a wasteful number, since it uses less digits than its factorization.

27916105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 27916105 is about 5283.5693427833. The cubic root of 27916105 is about 303.3553144586.

It can be divided in two parts, 279 and 16105, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 27916105 in words is "twenty-seven million, nine hundred sixteen thousand, one hundred five".