27775550167889 has 8 divisors (see below), whose sum is σ = 28195853488320. Its totient is φ = 27355415755536.

The previous prime is 27775550167861. The next prime is 27775550167919. The reversal of 27775550167889 is 98876105557772.

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 27775550167889 - 2¹⁶ = 27775550102353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27775550167789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41895629 + ... + 42553434.

It is an arithmetic number, because the mean of its divisors is an integer number (3524481686040).

Almost surely, 2^{27775550167889} is an apocalyptic number.

It is an amenable number.

27775550167889 is a deficient number, since it is larger than the sum of its proper divisors (420303320431).

27775550167889 is an equidigital number, since it uses as much as digits as its factorization.

27775550167889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84454039.

The product of its (nonzero) digits is 2074464000, while the sum is 77.

The spelling of 27775550167889 in words is "twenty-seven trillion, seven hundred seventy-five billion, five hundred fifty million, one hundred sixty-seven thousand, eight hundred eighty-nine".