27043157855 has 8 divisors (see below), whose sum is σ = 37087759392. Its totient is φ = 18543879648.

The previous prime is 27043157849. The next prime is 27043157863. The reversal of 27043157855 is 55875134072.

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

It is not a de Polignac number, because 27043157855 - 2²⁰ = 27042109279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 386330792 + ... + 386330861.

It is an arithmetic number, because the mean of its divisors is an integer number (4635969924).

Almost surely, 2^27043157855 is an apocalyptic number.

27043157855 is a deficient number, since it is larger than the sum of its proper divisors (10044601537).

27043157855 is an equidigital number, since it uses as much as digits as its factorization.

27043157855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772661665.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 27043157855 in words is "twenty-seven billion, forty-three million, one hundred fifty-seven thousand, eight hundred fifty-five".