27927976441 has 4 divisors (see below), whose sum is σ = 28049932900. Its totient is φ = 27806019984.

The previous prime is 27927976429. The next prime is 27927976463. The reversal of 27927976441 is 14467972972.

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 10970467600 + 16957508841 = 104740^2 + 130221^2 .

It is a cyclic number.

It is not a de Polignac number, because 27927976441 - 2⁵ = 27927976409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27927976421) 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, 60977886 + ... + 60978343.

It is an arithmetic number, because the mean of its divisors is an integer number (7012483225).

Almost surely, 2^27927976441 is an apocalyptic number.

It is an amenable number.

27927976441 is a deficient number, since it is larger than the sum of its proper divisors (121956459).

27927976441 is a wasteful number, since it uses less digits than its factorization.

27927976441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121956458.

The product of its digits is 10668672, while the sum is 58.

The spelling of 27927976441 in words is "twenty-seven billion, nine hundred twenty-seven million, nine hundred seventy-six thousand, four hundred forty-one".