800863101 has 24 divisors (see below), whose sum is σ = 1199184480. Its totient is φ = 514424736.

The previous prime is 800863093. The next prime is 800863103. The reversal of 800863101 is 101368008.

It is not a de Polignac number, because 800863101 - 2³ = 800863093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800863103) 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, 133570 + ... + 139436.

It is an arithmetic number, because the mean of its divisors is an integer number (49966020).

Almost surely, 2^800863101 is an apocalyptic number.

It is an amenable number.

800863101 is a deficient number, since it is larger than the sum of its proper divisors (398321379).

800863101 is a wasteful number, since it uses less digits than its factorization.

800863101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425 (or 6422 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 800863101 is about 28299.5247486596. The cubic root of 800863101 is about 928.6514933984.

The spelling of 800863101 in words is "eight hundred million, eight hundred sixty-three thousand, one hundred one".