100000008 has 40 divisors (see below), whose sum is σ = 280094430. Its totient is φ = 33333120.

The previous prime is 100000007. The next prime is 100000037. The reversal of 100000008 is 800000001.

It can be written as a sum of positive squares in only one way, i.e., 98366724 + 1633284 = 9918^2 + 1278^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

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

It is not an unprimeable number, because it can be changed into a prime (100000007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 76513 + ... + 77808.

Almost surely, 2^100000008 is an apocalyptic number.

100000008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

100000008 is an abundant number, since it is smaller than the sum of its proper divisors (180094422).

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

100000008 is a wasteful number, since it uses less digits than its factorization.

100000008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154339 (or 154326 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 100000008 is about 10000.0004000000. Note that the first 3 decimals coincide. The cubic root of 100000008 is about 464.1588957388.

Adding to 100000008 its reverse (800000001), we get a palindrome (900000009).

The spelling of 100000008 in words is "one hundred million, eight", and thus it is an aban number.