27959894317 has 8 divisors (see below), whose sum is σ = 29193849216. Its totient is φ = 26727465072.

The previous prime is 27959894299. The next prime is 27959894329. The reversal of 27959894317 is 71349895972.

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

It is a cyclic number.

It is not a de Polignac number, because 27959894317 - 2¹¹ = 27959892269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27959894717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343873 + ... + 417334.

It is an arithmetic number, because the mean of its divisors is an integer number (3649231152).

Almost surely, 2^27959894317 is an apocalyptic number.

It is an amenable number.

27959894317 is a deficient number, since it is larger than the sum of its proper divisors (1233954899).

27959894317 is a wasteful number, since it uses less digits than its factorization.

27959894317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762827.

The product of its digits is 34292160, while the sum is 64.

The spelling of 27959894317 in words is "twenty-seven billion, nine hundred fifty-nine million, eight hundred ninety-four thousand, three hundred seventeen".