27639304955 has 8 divisors (see below), whose sum is σ = 33181771392. Its totient is φ = 22101707008.

The previous prime is 27639304943. The next prime is 27639304961. The reversal of 27639304955 is 55940393672.

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 27639304955 - 2⁸ = 27639304699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27639304897 and 27639304906.

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, 1204619 + ... + 1227348.

It is an arithmetic number, because the mean of its divisors is an integer number (4147721424).

Almost surely, 2^27639304955 is an apocalyptic number.

27639304955 is a deficient number, since it is larger than the sum of its proper divisors (5542466437).

27639304955 is a wasteful number, since it uses less digits than its factorization.

27639304955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434245.

The product of its (nonzero) digits is 6123600, while the sum is 53.

The spelling of 27639304955 in words is "twenty-seven billion, six hundred thirty-nine million, three hundred four thousand, nine hundred fifty-five".