27408360437077 has 4 divisors (see below), whose sum is σ = 27412852880556. Its totient is φ = 27403867993600.

The previous prime is 27408360437071. The next prime is 27408360437167. The reversal of 27408360437077 is 77073406380472.

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 16729523350276 + 10678837086801 = 4090174^2 + 3267849^2 .

It is a cyclic number.

It is not a de Polignac number, because 27408360437077 - 2³⁹ = 26858604623189 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27408360437071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2246212588 + ... + 2246224789.

It is an arithmetic number, because the mean of its divisors is an integer number (6853213220139).

Almost surely, 2^{27408360437077} is an apocalyptic number.

It is an amenable number.

27408360437077 is a deficient number, since it is larger than the sum of its proper divisors (4492443479).

27408360437077 is an equidigital number, since it uses as much as digits as its factorization.

27408360437077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492443478.

The product of its (nonzero) digits is 33191424, while the sum is 58.

The spelling of 27408360437077 in words is "twenty-seven trillion, four hundred eight billion, three hundred sixty million, four hundred thirty-seven thousand, seventy-seven".