27082940705 has 4 divisors (see below), whose sum is σ = 32499528852. Its totient is φ = 21666352560.

The previous prime is 27082940641. The next prime is 27082940777. The reversal of 27082940705 is 50704928072.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18877660816 + 8205279889 = 137396^2 + 90583^2 .

It is not a de Polignac number, because 27082940705 - 2⁶ = 27082940641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708294066 + ... + 2708294075.

It is an arithmetic number, because the mean of its divisors is an integer number (8124882213).

Almost surely, 2^27082940705 is an apocalyptic number.

It is an amenable number.

27082940705 is a deficient number, since it is larger than the sum of its proper divisors (5416588147).

27082940705 is an equidigital number, since it uses as much as digits as its factorization.

27082940705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416588146.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 27082940705 in words is "twenty-seven billion, eighty-two million, nine hundred forty thousand, seven hundred five".