1002000008 has 16 divisors (see below), whose sum is σ = 1906792080. Its totient is φ = 493522128.

The previous prime is 1002000001. The next prime is 1002000029. The reversal of 1002000008 is 8000002001.

It is not an unprimeable number, because it can be changed into a prime (1002000001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934166 + ... + 935237.

It is an arithmetic number, because the mean of its divisors is an integer number (119174505).

Almost surely, 2^1002000008 is an apocalyptic number.

It is an amenable number.

1002000008 is a deficient number, since it is larger than the sum of its proper divisors (904792072).

1002000008 is a wasteful number, since it uses less digits than its factorization.

1002000008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869476 (or 1869472 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1002000008 is about 31654.3837090536. The cubic root of 1002000008 is about 1000.6662253785. Note that the first 3 decimals are identical.

Adding to 1002000008 its reverse (8000002001), we get a palindrome (9002002009).

The spelling of 1002000008 in words is "one billion, two million, eight", and thus it is an aban number and an uban number.