27420276547 has 8 divisors (see below), whose sum is σ = 27479365056. Its totient is φ = 27361236672.

The previous prime is 27420276529. The next prime is 27420276589. The reversal of 27420276547 is 74567202472.

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 27420276547 - 2¹⁹ = 27419752259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27420276497 and 27420276506.

It is not an unprimeable number, because it can be changed into a prime (27420276647) 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, 1255878 + ... + 1277524.

It is an arithmetic number, because the mean of its divisors is an integer number (3434920632).

Almost surely, 2^27420276547 is an apocalyptic number.

27420276547 is a deficient number, since it is larger than the sum of its proper divisors (59088509).

27420276547 is a wasteful number, since it uses less digits than its factorization.

27420276547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24317.

The product of its (nonzero) digits is 1317120, while the sum is 46.

The spelling of 27420276547 in words is "twenty-seven billion, four hundred twenty million, two hundred seventy-six thousand, five hundred forty-seven".