27980333 has 8 divisors (see below), whose sum is σ = 28366200. Its totient is φ = 27596800.

The previous prime is 27980297. The next prime is 27980353. The reversal of 27980333 is 33308972.

It can be written as a sum of positive squares in 4 ways, for example, as 4959529 + 23020804 = 2227^2 + 4798^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27980333 - 2¹⁰ = 27979309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27980293 and 27980302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27980353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45041 + ... + 45657.

It is an arithmetic number, because the mean of its divisors is an integer number (3545775).

Almost surely, 2^27980333 is an apocalyptic number.

It is an amenable number.

27980333 is a deficient number, since it is larger than the sum of its proper divisors (385867).

27980333 is a wasteful number, since it uses less digits than its factorization.

27980333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 27980333 is about 5289.6439388677. The cubic root of 27980333 is about 303.5877845885.

The spelling of 27980333 in words is "twenty-seven million, nine hundred eighty thousand, three hundred thirty-three".