27830007661055 has 4 divisors (see below), whose sum is σ = 33396009193272. Its totient is φ = 22264006128840.

The previous prime is 27830007661039. The next prime is 27830007661067. The reversal of 27830007661055 is 55016670003872.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 27830007661055 - 2⁴ = 27830007661039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27830007660994 and 27830007661012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2783000766101 + ... + 2783000766110.

It is an arithmetic number, because the mean of its divisors is an integer number (8349002298318).

Almost surely, 2^{27830007661055} is an apocalyptic number.

27830007661055 is a deficient number, since it is larger than the sum of its proper divisors (5566001532217).

27830007661055 is an equidigital number, since it uses as much as digits as its factorization.

27830007661055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5566001532216.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 27830007661055 in words is "twenty-seven trillion, eight hundred thirty billion, seven million, six hundred sixty-one thousand, fifty-five".