800578085 has 16 divisors (see below), whose sum is σ = 984177216. Its totient is φ = 624841728.

The previous prime is 800578063. The next prime is 800578123. The reversal of 800578085 is 580875008.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 800578085 - 2⁸ = 800577829 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 253637 + ... + 256773.

It is an arithmetic number, because the mean of its divisors is an integer number (61511076).

Almost surely, 2^800578085 is an apocalyptic number.

It is an amenable number.

800578085 is a deficient number, since it is larger than the sum of its proper divisors (183599131).

800578085 is a wasteful number, since it uses less digits than its factorization.

800578085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372.

The product of its (nonzero) digits is 89600, while the sum is 41.

The square root of 800578085 is about 28294.4885976050. The cubic root of 800578085 is about 928.5413156253.

The spelling of 800578085 in words is "eight hundred million, five hundred seventy-eight thousand, eighty-five".