27427487061737 has 12 divisors (see below), whose sum is σ = 32767753436100. Its totient is φ = 22873888822176.

The previous prime is 27427487061721. The next prime is 27427487061797. The reversal of 27427487061737 is 73716078472472.

It can be written as a sum of positive squares in 2 ways, for example, as 17283841723456 + 10143645338281 = 4157384^2 + 3184909^2 .

It is not a de Polignac number, because 27427487061737 - 2⁴ = 27427487061721 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27427487061797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7564114862 + ... + 7564118487.

It is an arithmetic number, because the mean of its divisors is an integer number (2730646119675).

Almost surely, 2^{27427487061737} is an apocalyptic number.

It is an amenable number.

27427487061737 is a deficient number, since it is larger than the sum of its proper divisors (5340266374363).

27427487061737 is a wasteful number, since it uses less digits than its factorization.

27427487061737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15128233400 (or 15128233393 counting only the distinct ones).

The product of its (nonzero) digits is 154893312, while the sum is 65.

The spelling of 27427487061737 in words is "twenty-seven trillion, four hundred twenty-seven billion, four hundred eighty-seven million, sixty-one thousand, seven hundred thirty-seven".