27938596484737 has 4 divisors (see below), whose sum is σ = 27944642495956. Its totient is φ = 27932550473520.

The previous prime is 27938596484639. The next prime is 27938596484759. The reversal of 27938596484737 is 73748469583972.

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 8901815255281 + 19036781229456 = 2983591^2 + 4363116^2 .

It is a cyclic number.

It is not a de Polignac number, because 27938596484737 - 2⁷ = 27938596484609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27938596484797) 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, 3022998678 + ... + 3023007919.

It is an arithmetic number, because the mean of its divisors is an integer number (6986160623989).

Almost surely, 2^{27938596484737} is an apocalyptic number.

It is an amenable number.

27938596484737 is a deficient number, since it is larger than the sum of its proper divisors (6046011219).

27938596484737 is an equidigital number, since it uses as much as digits as its factorization.

27938596484737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6046011218.

The product of its digits is 15362887680, while the sum is 82.

The spelling of 27938596484737 in words is "twenty-seven trillion, nine hundred thirty-eight billion, five hundred ninety-six million, four hundred eighty-four thousand, seven hundred thirty-seven".