1010000008 has 8 divisors (see below), whose sum is σ = 1893750030. Its totient is φ = 505000000.

The previous prime is 1009999999. The next prime is 1010000011. The reversal of 1010000008 is 8000000101.

It can be written as a sum of positive squares in only one way, i.e., 964599364 + 45400644 = 31058^2 + 6738^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1009999949 and 1010000003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63124993 + ... + 63125008.

Almost surely, 2^1010000008 is an apocalyptic number.

It is an amenable number.

1010000008 is a deficient number, since it is larger than the sum of its proper divisors (883750022).

1010000008 is a wasteful number, since it uses less digits than its factorization.

1010000008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126250007 (or 126250003 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1010000008 is about 31780.4972900048. The cubic root of 1010000008 is about 1003.3222861911.

Adding to 1010000008 its reverse (8000000101), we get a palindrome (9010000109).

The spelling of 1010000008 in words is "one billion, ten million, eight", and thus it is an aban number and an uban number.