27105680339 has 4 divisors (see below), whose sum is σ = 27111160080. Its totient is φ = 27100200600.

The previous prime is 27105680333. The next prime is 27105680353. The reversal of 27105680339 is 93308650172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27105680339 - 2⁴ = 27105680323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27105680339.

It is not an unprimeable number, because it can be changed into a prime (27105680333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2732444 + ... + 2742345.

It is an arithmetic number, because the mean of its divisors is an integer number (6777790020).

Almost surely, 2^27105680339 is an apocalyptic number.

27105680339 is a deficient number, since it is larger than the sum of its proper divisors (5479741).

27105680339 is an equidigital number, since it uses as much as digits as its factorization.

27105680339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479740.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 27105680339 in words is "twenty-seven billion, one hundred five million, six hundred eighty thousand, three hundred thirty-nine".