27548001687 has 4 divisors (see below), whose sum is σ = 36730668920. Its totient is φ = 18365334456.

The previous prime is 27548001667. The next prime is 27548001709. The reversal of 27548001687 is 78610084572.

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

It is not a de Polignac number, because 27548001687 - 2¹⁶ = 27547936151 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 (27548001667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4591333612 + ... + 4591333617.

It is an arithmetic number, because the mean of its divisors is an integer number (9182667230).

Almost surely, 2^27548001687 is an apocalyptic number.

27548001687 is a deficient number, since it is larger than the sum of its proper divisors (9182667233).

27548001687 is an equidigital number, since it uses as much as digits as its factorization.

27548001687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9182667232.

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 27548001687 in words is "twenty-seven billion, five hundred forty-eight million, one thousand, six hundred eighty-seven".