27977636413441 has 16 divisors (see below), whose sum is σ = 32871128185728. Its totient is φ = 23476096425600.

The previous prime is 27977636413421. The next prime is 27977636413453. The reversal of 27977636413441 is 14431463677972.

It is not a de Polignac number, because 27977636413441 - 2²⁵ = 27977602859009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27977636413421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4779180 + ... + 8876701.

It is an arithmetic number, because the mean of its divisors is an integer number (2054445511608).

Almost surely, 2^{27977636413441} is an apocalyptic number.

It is an amenable number.

27977636413441 is a deficient number, since it is larger than the sum of its proper divisors (4893491772287).

27977636413441 is a wasteful number, since it uses less digits than its factorization.

27977636413441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13670232.

The product of its digits is 128024064, while the sum is 64.

The spelling of 27977636413441 in words is "twenty-seven trillion, nine hundred seventy-seven billion, six hundred thirty-six million, four hundred thirteen thousand, four hundred forty-one".