27661474283 has 8 divisors (see below), whose sum is σ = 27938735136. Its totient is φ = 27384280000.

The previous prime is 27661474271. The next prime is 27661474397. The reversal of 27661474283 is 38247416672.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27661474283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27661474213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546610 + ... + 1564392.

It is an arithmetic number, because the mean of its divisors is an integer number (3492341892).

Almost surely, 2^27661474283 is an apocalyptic number.

27661474283 is a deficient number, since it is larger than the sum of its proper divisors (277260853).

27661474283 is a wasteful number, since it uses less digits than its factorization.

27661474283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33285.

The product of its digits is 2709504, while the sum is 50.

The spelling of 27661474283 in words is "twenty-seven billion, six hundred sixty-one million, four hundred seventy-four thousand, two hundred eighty-three".