800000080 has 40 divisors (see below), whose sum is σ = 2029093344. Its totient is φ = 290908800.

The previous prime is 800000063. The next prime is 800000083. The reversal of 800000080 is 80000008.

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

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800000083) 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, 453666 + ... + 455425.

Almost surely, 2^800000080 is an apocalyptic number.

800000080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

800000080 is an abundant number, since it is smaller than the sum of its proper divisors (1229093264).

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

800000080 is a wasteful number, since it uses less digits than its factorization.

800000080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909115 (or 909109 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 800000080 is about 28284.2726616754. The cubic root of 800000080 is about 928.3177976665.

800000080 divided by its sum of digits (16) gives a palindrome (50000005).

Adding to 800000080 its reverse (80000008), we get a palindrome (880000088).

The spelling of 800000080 in words is "eight hundred million, eighty", and thus it is an aban number.