27678116 has 12 divisors (see below), whose sum is σ = 49618380. Its totient is φ = 13501440.

The previous prime is 27678103. The next prime is 27678163. The reversal of 27678116 is 61187672.

It can be written as a sum of positive squares in 2 ways, for example, as 7840000 + 19838116 = 2800^2 + 4454^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27678116.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84221 + ... + 84548.

It is an arithmetic number, because the mean of its divisors is an integer number (4134865).

Almost surely, 2^27678116 is an apocalyptic number.

It is an amenable number.

27678116 is a deficient number, since it is larger than the sum of its proper divisors (21940264).

27678116 is a wasteful number, since it uses less digits than its factorization.

27678116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168814 (or 168812 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 27678116 is about 5260.9995248051. Note that the first 3 decimals coincide. The cubic root of 27678116 is about 302.4908031719.

The spelling of 27678116 in words is "twenty-seven million, six hundred seventy-eight thousand, one hundred sixteen".