27805808834 has 8 divisors (see below), whose sum is σ = 41890848060. Its totient is φ = 13842192816.

The previous prime is 27805808813. The next prime is 27805808851. The reversal of 27805808834 is 43880850872.

It can be written as a sum of positive squares in 2 ways, for example, as 27560980225 + 244828609 = 166015^2 + 15647^2 .

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, 30355229 + ... + 30356144.

Almost surely, 2^27805808834 is an apocalyptic number.

27805808834 is a deficient number, since it is larger than the sum of its proper divisors (14085039226).

27805808834 is a wasteful number, since it uses less digits than its factorization.

27805808834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60711604.

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 27805808834 in words is "twenty-seven billion, eight hundred five million, eight hundred eight thousand, eight hundred thirty-four".