27777628055 has 8 divisors (see below), whose sum is σ = 33755092800. Its totient is φ = 21940809696.

The previous prime is 27777628031. The next prime is 27777628097. The reversal of 27777628055 is 55082677772.

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 27777628055 - 2²⁴ = 27760850839 is a prime.

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, 35161160 + ... + 35161949.

It is an arithmetic number, because the mean of its divisors is an integer number (4219386600).

Almost surely, 2^27777628055 is an apocalyptic number.

27777628055 is a deficient number, since it is larger than the sum of its proper divisors (5977464745).

27777628055 is an equidigital number, since it uses as much as digits as its factorization.

27777628055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70323193.

The product of its (nonzero) digits is 11524800, while the sum is 56.

The spelling of 27777628055 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred twenty-eight thousand, fifty-five".