27844996141 has 4 divisors (see below), whose sum is σ = 27855888412. Its totient is φ = 27834103872.

The previous prime is 27844996129. The next prime is 27844996159. The reversal of 27844996141 is 14169944872.

It is a happy number.

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 5353995241 + 22491000900 = 73171^2 + 149970^2 .

It is a cyclic number.

It is not a de Polignac number, because 27844996141 - 2²¹ = 27842898989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27844966141) 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, 5442300 + ... + 5447413.

It is an arithmetic number, because the mean of its divisors is an integer number (6963972103).

Almost surely, 2^27844996141 is an apocalyptic number.

It is an amenable number.

27844996141 is a deficient number, since it is larger than the sum of its proper divisors (10892271).

27844996141 is a wasteful number, since it uses less digits than its factorization.

27844996141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10892270.

The product of its digits is 3483648, while the sum is 55.

The spelling of 27844996141 in words is "twenty-seven billion, eight hundred forty-four million, nine hundred ninety-six thousand, one hundred forty-one".