27477775255 has 8 divisors (see below), whose sum is σ = 37683806112. Its totient is φ = 18841903008.

The previous prime is 27477775231. The next prime is 27477775331. The reversal of 27477775255 is 55257777472.

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 27477775255 - 2⁹ = 27477774743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27477775255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392539612 + ... + 392539681.

It is an arithmetic number, because the mean of its divisors is an integer number (4710475764).

Almost surely, 2^27477775255 is an apocalyptic number.

27477775255 is a deficient number, since it is larger than the sum of its proper divisors (10206030857).

27477775255 is an equidigital number, since it uses as much as digits as its factorization.

27477775255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785079305.

The product of its digits is 33614000, while the sum is 58.

The spelling of 27477775255 in words is "twenty-seven billion, four hundred seventy-seven million, seven hundred seventy-five thousand, two hundred fifty-five".