27447382983 has 8 divisors (see below), whose sum is σ = 36676592368. Its totient is φ = 18258214464.

The previous prime is 27447382969. The next prime is 27447382987. The reversal of 27447382983 is 38928374472.

It is a happy number.

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

It is not a de Polignac number, because 27447382983 - 2⁸ = 27447382727 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 (27447382987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10008616 + ... + 10011357.

It is an arithmetic number, because the mean of its divisors is an integer number (4584574046).

Almost surely, 2^27447382983 is an apocalyptic number.

27447382983 is a deficient number, since it is larger than the sum of its proper divisors (9229209385).

27447382983 is a wasteful number, since it uses less digits than its factorization.

27447382983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020433.

The product of its digits is 16257024, while the sum is 57.

The spelling of 27447382983 in words is "twenty-seven billion, four hundred forty-seven million, three hundred eighty-two thousand, nine hundred eighty-three".