27078081 has 8 divisors (see below), whose sum is σ = 36984864. Its totient is φ = 17611680.

The previous prime is 27078067. The next prime is 27078091. The reversal of 27078081 is 18087072.

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

It is not a de Polignac number, because 27078081 - 2¹¹ = 27076033 is a prime.

It is a super-2 number, since 2×27078081² = 1466444941285122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27078011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109951 + ... + 110196.

It is an arithmetic number, because the mean of its divisors is an integer number (4623108).

Almost surely, 2^27078081 is an apocalyptic number.

It is an amenable number.

27078081 is a deficient number, since it is larger than the sum of its proper divisors (9906783).

27078081 is a wasteful number, since it uses less digits than its factorization.

27078081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220191.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 27078081 is about 5203.6603463331. The cubic root of 27078081 is about 300.2889105685.

The spelling of 27078081 in words is "twenty-seven million, seventy-eight thousand, eighty-one".