27678082 has 4 divisors (see below), whose sum is σ = 41517126. Its totient is φ = 13839040.

The previous prime is 27678061. The next prime is 27678089. The reversal of 27678082 is 28087672.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27363361 + 314721 = 5231^2 + 561^2 .

It is not an unprimeable number, because it can be changed into a prime (27678089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6919519 + ... + 6919522.

Almost surely, 2^27678082 is an apocalyptic number.

27678082 is a deficient number, since it is larger than the sum of its proper divisors (13839044).

27678082 is a wasteful number, since it uses less digits than its factorization.

27678082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13839043.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 27678082 is about 5260.9962934790. The cubic root of 27678082 is about 302.4906793112.

The spelling of 27678082 in words is "twenty-seven million, six hundred seventy-eight thousand, eighty-two".