27760918338 has 12 divisors (see below), whose sum is σ = 60148656438. Its totient is φ = 9253639440.

The previous prime is 27760918331. The next prime is 27760918439. The reversal of 27760918338 is 83381906772.

27760918338 is a `hidden beast` number, since 27 + 7 + 609 + 1 + 8 + 3 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24710896809 + 3050021529 = 157197^2 + 55227^2 .

It is not an unprimeable number, because it can be changed into a prime (27760918331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 771136603 + ... + 771136638.

Almost surely, 2^27760918338 is an apocalyptic number.

27760918338 is an abundant number, since it is smaller than the sum of its proper divisors (32387738100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27760918338 is a wasteful number, since it uses less digits than its factorization.

27760918338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542273249 (or 1542273246 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 27760918338 in words is "twenty-seven billion, seven hundred sixty million, nine hundred eighteen thousand, three hundred thirty-eight".