27628175087 has 4 divisors (see below), whose sum is σ = 27628752696. Its totient is φ = 27627597480.

The previous prime is 27628175053. The next prime is 27628175129. The reversal of 27628175087 is 78057182672.

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

It is a cyclic number.

It is not a de Polignac number, because 27628175087 - 2¹⁴ = 27628158703 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 (27628115087) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 209864 + ... + 315117.

It is an arithmetic number, because the mean of its divisors is an integer number (6907188174).

Almost surely, 2^27628175087 is an apocalyptic number.

27628175087 is a deficient number, since it is larger than the sum of its proper divisors (577609).

27628175087 is an equidigital number, since it uses as much as digits as its factorization.

27628175087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577608.

The product of its (nonzero) digits is 2634240, while the sum is 53.

The spelling of 27628175087 in words is "twenty-seven billion, six hundred twenty-eight million, one hundred seventy-five thousand, eighty-seven".