27077768 has 8 divisors (see below), whose sum is σ = 50770830. Its totient is φ = 13538880.

The previous prime is 27077761. The next prime is 27077779. The reversal of 27077768 is 86777072.

It can be written as a sum of positive squares in only one way, i.e., 27019204 + 58564 = 5198^2 + 242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (27077761) 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, 1692353 + ... + 1692368.

Almost surely, 2^27077768 is an apocalyptic number.

It is an amenable number.

27077768 is a deficient number, since it is larger than the sum of its proper divisors (23693062).

27077768 is a wasteful number, since it uses less digits than its factorization.

27077768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384727 (or 3384723 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 44.

The square root of 27077768 is about 5203.6302712626. The cubic root of 27077768 is about 300.2877535344.

The spelling of 27077768 in words is "twenty-seven million, seventy-seven thousand, seven hundred sixty-eight".