800647101 has 12 divisors (see below), whose sum is σ = 1157350428. Its totient is φ = 533367744.

The previous prime is 800647093. The next prime is 800647103. The reversal of 800647101 is 101746008.

It is a happy number.

800647101 is a `hidden beast` number, since 8 + 0 + 0 + 647 + 10 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 779247225 + 21399876 = 27915^2 + 4626^2 .

It is not a de Polignac number, because 800647101 - 2³ = 800647093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800647103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20040 + ... + 44753.

It is an arithmetic number, because the mean of its divisors is an integer number (96445869).

Almost surely, 2^800647101 is an apocalyptic number.

It is an amenable number.

800647101 is a deficient number, since it is larger than the sum of its proper divisors (356703327).

800647101 is a wasteful number, since it uses less digits than its factorization.

800647101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66172 (or 66169 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 800647101 is about 28295.7081727954. The cubic root of 800647101 is about 928.5679973308.

The spelling of 800647101 in words is "eight hundred million, six hundred forty-seven thousand, one hundred one".