27691342347 has 8 divisors (see below), whose sum is σ = 39093659856. Its totient is φ = 17374959872.

The previous prime is 27691342303. The next prime is 27691342363. The reversal of 27691342347 is 74324319672.

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 27691342347 - 2¹⁵ = 27691309579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27691342296 and 27691342305.

It is not an unprimeable number, because it can be changed into a prime (27691342447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271483698 + ... + 271483799.

It is an arithmetic number, because the mean of its divisors is an integer number (4886707482).

Almost surely, 2^27691342347 is an apocalyptic number.

27691342347 is a deficient number, since it is larger than the sum of its proper divisors (11402317509).

27691342347 is a wasteful number, since it uses less digits than its factorization.

27691342347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542967517.

The product of its digits is 1524096, while the sum is 48.

The spelling of 27691342347 in words is "twenty-seven billion, six hundred ninety-one million, three hundred forty-two thousand, three hundred forty-seven".