800806853 has 24 divisors (see below), whose sum is σ = 1017956160. Its totient is φ = 622950720.

The previous prime is 800806837. The next prime is 800806871. The reversal of 800806853 is 358608008.

It is a happy number.

It is not a de Polignac number, because 800806853 - 2⁴ = 800806837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800806453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 512888 + ... + 514446.

It is an arithmetic number, because the mean of its divisors is an integer number (42414840).

Almost surely, 2^800806853 is an apocalyptic number.

It is an amenable number.

800806853 is a deficient number, since it is larger than the sum of its proper divisors (217149307).

800806853 is a wasteful number, since it uses less digits than its factorization.

800806853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537 (or 2530 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 800806853 is about 28298.5309336015. The cubic root of 800806853 is about 928.6297518498.

The spelling of 800806853 in words is "eight hundred million, eight hundred six thousand, eight hundred fifty-three".