27980141 has 16 divisors (see below), whose sum is σ = 34099200. Its totient is φ = 22424688.

The previous prime is 27980137. The next prime is 27980153. The reversal of 27980141 is 14108972.

It is a cyclic number.

It is not a de Polignac number, because 27980141 - 2² = 27980137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27980098 and 27980107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27980111) 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, 9176 + ... + 11838.

It is an arithmetic number, because the mean of its divisors is an integer number (2131200).

Almost surely, 2^27980141 is an apocalyptic number.

It is an amenable number.

27980141 is a deficient number, since it is larger than the sum of its proper divisors (6119059).

27980141 is a wasteful number, since it uses less digits than its factorization.

27980141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 27980141 is about 5289.6257901670. The cubic root of 27980141 is about 303.5870901842.

The spelling of 27980141 in words is "twenty-seven million, nine hundred eighty thousand, one hundred forty-one".