855516027 has 16 divisors (see below), whose sum is σ = 1193633280. Its totient is φ = 544011072.

The previous prime is 855515993. The next prime is 855516029. The reversal of 855516027 is 720615558.

It is not a de Polignac number, because 855516027 - 2¹¹ = 855513979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855516029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7503 + ... + 42039.

It is an arithmetic number, because the mean of its divisors is an integer number (74602080).

Almost surely, 2^855516027 is an apocalyptic number.

855516027 is a deficient number, since it is larger than the sum of its proper divisors (338117253).

855516027 is a wasteful number, since it uses less digits than its factorization.

855516027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34922.

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 855516027 is about 29249.2055789555. The cubic root of 855516027 is about 949.3129018757.

The spelling of 855516027 in words is "eight hundred fifty-five million, five hundred sixteen thousand, twenty-seven".