27657077223 has 4 divisors (see below), whose sum is σ = 36876102968. Its totient is φ = 18438051480.

The previous prime is 27657077221. The next prime is 27657077263. The reversal of 27657077223 is 32277075672.

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

It is not a de Polignac number, because 27657077223 - 2¹ = 27657077221 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 (27657077221) 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 3 ways as a sum of consecutive naturals, for example, 4609512868 + ... + 4609512873.

It is an arithmetic number, because the mean of its divisors is an integer number (9219025742).

Almost surely, 2^27657077223 is an apocalyptic number.

27657077223 is a deficient number, since it is larger than the sum of its proper divisors (9219025745).

27657077223 is an equidigital number, since it uses as much as digits as its factorization.

27657077223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9219025744.

The product of its (nonzero) digits is 1728720, while the sum is 48.

The spelling of 27657077223 in words is "twenty-seven billion, six hundred fifty-seven million, seventy-seven thousand, two hundred twenty-three".