27728617741 has 8 divisors (see below), whose sum is σ = 30418394400. Its totient is φ = 25067006640.

The previous prime is 27728617739. The next prime is 27728617747. The reversal of 27728617741 is 14771682772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27728617741 - 2¹ = 27728617739 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 (27728617747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7039326 + ... + 7043263.

It is an arithmetic number, because the mean of its divisors is an integer number (3802299300).

Almost surely, 2^27728617741 is an apocalyptic number.

It is an amenable number.

27728617741 is a deficient number, since it is larger than the sum of its proper divisors (2689776659).

27728617741 is a wasteful number, since it uses less digits than its factorization.

27728617741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14082779.

The product of its digits is 1843968, while the sum is 52.

The spelling of 27728617741 in words is "twenty-seven billion, seven hundred twenty-eight million, six hundred seventeen thousand, seven hundred forty-one".