27750531994 has 8 divisors (see below), whose sum is σ = 42308188308. Its totient is φ = 13647802560.

The previous prime is 27750531971. The next prime is 27750532027. The reversal of 27750531994 is 49913505772.

It can be written as a sum of positive squares in 2 ways, for example, as 17359380025 + 10391151969 = 131755^2 + 101937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 113731567 + ... + 113731810.

Almost surely, 2^27750531994 is an apocalyptic number.

27750531994 is a deficient number, since it is larger than the sum of its proper divisors (14557656314).

27750531994 is a wasteful number, since it uses less digits than its factorization.

27750531994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227463440.

The product of its (nonzero) digits is 2381400, while the sum is 52.

The spelling of 27750531994 in words is "twenty-seven billion, seven hundred fifty million, five hundred thirty-one thousand, nine hundred ninety-four".