855108265 has 16 divisors (see below), whose sum is σ = 1121267520. Its totient is φ = 620867520.

The previous prime is 855108227. The next prime is 855108311. The reversal of 855108265 is 562801558.

It is not a de Polignac number, because 855108265 - 2⁹ = 855107753 is a prime.

It is an unprimeable number.

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, 21487 + ... + 46603.

It is an arithmetic number, because the mean of its divisors is an integer number (70079220).

Almost surely, 2^855108265 is an apocalyptic number.

It is an amenable number.

855108265 is a deficient number, since it is larger than the sum of its proper divisors (266159255).

855108265 is a wasteful number, since it uses less digits than its factorization.

855108265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25752.

The product of its (nonzero) digits is 96000, while the sum is 40.

The square root of 855108265 is about 29242.2342682634. The cubic root of 855108265 is about 949.1620552010.

The spelling of 855108265 in words is "eight hundred fifty-five million, one hundred eight thousand, two hundred sixty-five".