9820009868 has 6 divisors (see below), whose sum is σ = 17185017276. Its totient is φ = 4910004932.

The previous prime is 9820009751. The next prime is 9820009883. The reversal of 9820009868 is 8689000289.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227501230 + ... + 1227501237.

It is an arithmetic number, because the mean of its divisors is an integer number (2864169546).

Almost surely, 2^9820009868 is an apocalyptic number.

It is an amenable number.

9820009868 is a deficient number, since it is larger than the sum of its proper divisors (7365007408).

9820009868 is a wasteful number, since it uses less digits than its factorization.

9820009868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455002471 (or 2455002469 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 9820009868 is about 99095.9629248336. The cubic root of 9820009868 is about 2141.4304545134.

The spelling of 9820009868 in words is "nine billion, eight hundred twenty million, nine thousand, eight hundred sixty-eight".