27750250278055 has 32 divisors (see below), whose sum is σ = 36794657700864. Its totient is φ = 19984494537216.

The previous prime is 27750250278031. The next prime is 27750250278071. The reversal of 27750250278055 is 55087205205772.

27750250278055 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 27750250278055 - 2²⁷ = 27750116060327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27750250277987 and 27750250278005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28627344 + ... + 29580826.

It is an arithmetic number, because the mean of its divisors is an integer number (1149833053152).

Almost surely, 2^{27750250278055} is an apocalyptic number.

27750250278055 is a deficient number, since it is larger than the sum of its proper divisors (9044407422809).

27750250278055 is a wasteful number, since it uses less digits than its factorization.

27750250278055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968415.

The product of its (nonzero) digits is 13720000, while the sum is 55.

The spelling of 27750250278055 in words is "twenty-seven trillion, seven hundred fifty billion, two hundred fifty million, two hundred seventy-eight thousand, fifty-five".