808855 has 4 divisors (see below), whose sum is σ = 970632. Its totient is φ = 647080.

The previous prime is 808853. The next prime is 808867. The reversal of 808855 is 558808.

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

It is not a de Polignac number, because 808855 - 2¹ = 808853 is a prime.

It is a super-2 number, since 2×808855² = 1308492822050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 808855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80881 + ... + 80890.

It is an arithmetic number, because the mean of its divisors is an integer number (242658).

2⁸⁰⁸⁸⁵⁵ is an apocalyptic number.

808855 is a deficient number, since it is larger than the sum of its proper divisors (161777).

808855 is a wasteful number, since it uses less digits than its factorization.

808855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161776.

The product of its (nonzero) digits is 12800, while the sum is 34.

The square root of 808855 is about 899.3636639313. The cubic root of 808855 is about 93.1730312411.

Subtracting from 808855 its reverse (558808), we obtain a cube (250047 = 63³).

The spelling of 808855 in words is "eight hundred eight thousand, eight hundred fifty-five".