800653869 has 16 divisors (see below), whose sum is σ = 1186828800. Its totient is φ = 533465568.

The previous prime is 800653859. The next prime is 800653873. The reversal of 800653869 is 968356008.

800653869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 800653869 - 2⁷ = 800653741 is a prime.

It is a super-2 number, since 2×800653869² = 1282093235889338322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800653849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46372 + ... + 61250.

It is an arithmetic number, because the mean of its divisors is an integer number (74176800).

Almost surely, 2^800653869 is an apocalyptic number.

It is an amenable number.

800653869 is a deficient number, since it is larger than the sum of its proper divisors (386174931).

800653869 is a wasteful number, since it uses less digits than its factorization.

800653869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16881 (or 16875 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 800653869 is about 28295.8277666514. The cubic root of 800653869 is about 928.5706137688.

The spelling of 800653869 in words is "eight hundred million, six hundred fifty-three thousand, eight hundred sixty-nine".