27738804842 has 12 divisors (see below), whose sum is σ = 48401384130. Its totient is φ = 11888059176.

The previous prime is 27738804811. The next prime is 27738804857. The reversal of 27738804842 is 24840883772.

It can be written as a sum of positive squares in only one way, i.e., 17140308241 + 10598496601 = 130921^2 + 102949^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141524417 + ... + 141524612.

Almost surely, 2^27738804842 is an apocalyptic number.

27738804842 is a deficient number, since it is larger than the sum of its proper divisors (20662579288).

27738804842 is a wasteful number, since it uses less digits than its factorization.

27738804842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283049045 (or 283049038 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 53.

The spelling of 27738804842 in words is "twenty-seven billion, seven hundred thirty-eight million, eight hundred four thousand, eight hundred forty-two".