9961357804 has 12 divisors (see below), whose sum is σ = 17434216800. Its totient is φ = 4980153008.

The previous prime is 9961357789. The next prime is 9961357811. The reversal of 9961357804 is 4087531699.

It is a happy number.

9961357804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87199 + ... + 165910.

It is an arithmetic number, because the mean of its divisors is an integer number (1452851400).

Almost surely, 2^9961357804 is an apocalyptic number.

It is an amenable number.

9961357804 is a deficient number, since it is larger than the sum of its proper divisors (7472858996).

9961357804 is a wasteful number, since it uses less digits than its factorization.

9961357804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262952 (or 262950 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 9961357804 is about 99806.6020060797. The cubic root of 9961357804 is about 2151.6560382602.

The spelling of 9961357804 in words is "nine billion, nine hundred sixty-one million, three hundred fifty-seven thousand, eight hundred four".