808827856018 has 32 divisors (see below), whose sum is σ = 1502381575296. Its totient is φ = 318012801408.

The previous prime is 808827855973. The next prime is 808827856027. The reversal of 808827856018 is 810658728808.

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, 13602571 + ... + 13661902.

It is an arithmetic number, because the mean of its divisors is an integer number (46949424228).

Almost surely, 2^808827856018 is an apocalyptic number.

808827856018 is a deficient number, since it is larger than the sum of its proper divisors (693553719278).

808827856018 is a wasteful number, since it uses less digits than its factorization.

808827856018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27264658.

The product of its (nonzero) digits is 13762560, while the sum is 61.

The spelling of 808827856018 in words is "eight hundred eight billion, eight hundred twenty-seven million, eight hundred fifty-six thousand, eighteen".