800216880 has 40 divisors (see below), whose sum is σ = 2480673072. Its totient is φ = 213391104.

The previous prime is 800216873. The next prime is 800216881. The reversal of 800216880 is 88612008.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (800216881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666879 + ... + 1667358.

Almost surely, 2^800216880 is an apocalyptic number.

800216880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

800216880 is an abundant number, since it is smaller than the sum of its proper divisors (1680456192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

800216880 is a wasteful number, since it uses less digits than its factorization.

800216880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334253 (or 3334247 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 800216880 is about 28288.1049206199. The cubic root of 800216880 is about 928.4016481251.

Adding to 800216880 its reverse (88612008), we get a palindrome (888828888).

The spelling of 800216880 in words is "eight hundred million, two hundred sixteen thousand, eight hundred eighty".