27681202223 has 8 divisors (see below), whose sum is σ = 28066062288. Its totient is φ = 27296495424.

The previous prime is 27681202207. The next prime is 27681202231. The reversal of 27681202223 is 32220218672.

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 27681202223 - 2⁴ = 27681202207 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 (27681202123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352961 + ... + 424197.

It is an arithmetic number, because the mean of its divisors is an integer number (3508257786).

Almost surely, 2^27681202223 is an apocalyptic number.

27681202223 is a deficient number, since it is larger than the sum of its proper divisors (384860065).

27681202223 is an equidigital number, since it uses as much as digits as its factorization.

27681202223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76633.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 27681202223 in words is "twenty-seven billion, six hundred eighty-one million, two hundred two thousand, two hundred twenty-three".