27709848394 has 8 divisors (see below), whose sum is σ = 44009759268. Its totient is φ = 13039928640.

The previous prime is 27709848389. The next prime is 27709848427. The reversal of 27709848394 is 49384890772.

It can be written as a sum of positive squares in 2 ways, for example, as 27693952225 + 15896169 = 166415^2 + 3987^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407497737 + ... + 407497804.

Almost surely, 2^27709848394 is an apocalyptic number.

27709848394 is a deficient number, since it is larger than the sum of its proper divisors (16299910874).

27709848394 is a wasteful number, since it uses less digits than its factorization.

27709848394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814995560.

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 27709848394 in words is "twenty-seven billion, seven hundred nine million, eight hundred forty-eight thousand, three hundred ninety-four".