27627622387 has 4 divisors (see below), whose sum is σ = 27628263160. Its totient is φ = 27626981616.

The previous prime is 27627622367. The next prime is 27627622417. The reversal of 27627622387 is 78322672672.

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 27627622387 - 2⁷ = 27627622259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27627622367) 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, 250653 + ... + 343630.

It is an arithmetic number, because the mean of its divisors is an integer number (6907065790).

Almost surely, 2^27627622387 is an apocalyptic number.

27627622387 is a deficient number, since it is larger than the sum of its proper divisors (640773).

27627622387 is an equidigital number, since it uses as much as digits as its factorization.

27627622387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640772.

The product of its digits is 4741632, while the sum is 52.

The spelling of 27627622387 in words is "twenty-seven billion, six hundred twenty-seven million, six hundred twenty-two thousand, three hundred eighty-seven".