9809967904 has 48 divisors (see below), whose sum is σ = 21203453376. Its totient is φ = 4430649600.

The previous prime is 9809967883. The next prime is 9809967943. The reversal of 9809967904 is 4097699089.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33492 + ... + 144019.

It is an arithmetic number, because the mean of its divisors is an integer number (441738612).

Almost surely, 2^9809967904 is an apocalyptic number.

It is an amenable number.

9809967904 is an abundant number, since it is smaller than the sum of its proper divisors (11393485472).

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

9809967904 is a wasteful number, since it uses less digits than its factorization.

9809967904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177689 (or 177681 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 61.

The square root of 9809967904 is about 99045.2820885478. The cubic root of 9809967904 is about 2140.7002617044.

The spelling of 9809967904 in words is "nine billion, eight hundred nine million, nine hundred sixty-seven thousand, nine hundred four".