27948758329 has 8 divisors (see below), whose sum is σ = 28306194560. Its totient is φ = 27591413616.

The previous prime is 27948758303. The next prime is 27948758389. The reversal of 27948758329 is 92385784972.

It is a happy number.

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 27948758329 - 2⁵ = 27948758297 is a prime.

It is a super-2 number, since 2×27948758329² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27948758389) 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, 762859 + ... + 798655.

It is an arithmetic number, because the mean of its divisors is an integer number (3538274320).

Almost surely, 2^27948758329 is an apocalyptic number.

It is an amenable number.

27948758329 is a deficient number, since it is larger than the sum of its proper divisors (357436231).

27948758329 is an equidigital number, since it uses as much as digits as its factorization.

27948758329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45759.

The product of its digits is 60963840, while the sum is 64.

The spelling of 27948758329 in words is "twenty-seven billion, nine hundred forty-eight million, seven hundred fifty-eight thousand, three hundred twenty-nine".