27040702447 has 4 divisors (see below), whose sum is σ = 29498948136. Its totient is φ = 24582456760.

The previous prime is 27040702441. The next prime is 27040702457. The reversal of 27040702447 is 74420704072.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27040702447 - 2¹¹ = 27040700399 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 (27040702441) 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, 1229122828 + ... + 1229122849.

It is an arithmetic number, because the mean of its divisors is an integer number (7374737034).

Almost surely, 2^27040702447 is an apocalyptic number.

27040702447 is a deficient number, since it is larger than the sum of its proper divisors (2458245689).

27040702447 is a wasteful number, since it uses less digits than its factorization.

27040702447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458245688.

The product of its (nonzero) digits is 87808, while the sum is 37.

The spelling of 27040702447 in words is "twenty-seven billion, forty million, seven hundred two thousand, four hundred forty-seven".