27427755403 has 8 divisors (see below), whose sum is σ = 27912608640. Its totient is φ = 26946828480.

The previous prime is 27427755391. The next prime is 27427755431. The reversal of 27427755403 is 30455772472.

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 27427755403 - 2¹⁷ = 27427624331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27427755473) 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, 967483 + ... + 995428.

It is an arithmetic number, because the mean of its divisors is an integer number (3489076080).

Almost surely, 2^27427755403 is an apocalyptic number.

27427755403 is a deficient number, since it is larger than the sum of its proper divisors (484853237).

27427755403 is a wasteful number, since it uses less digits than its factorization.

27427755403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963157.

The product of its (nonzero) digits is 1646400, while the sum is 46.

The spelling of 27427755403 in words is "twenty-seven billion, four hundred twenty-seven million, seven hundred fifty-five thousand, four hundred three".