9961200968 has 8 divisors (see below), whose sum is σ = 18677251830. Its totient is φ = 4980600480.

The previous prime is 9961200959. The next prime is 9961200971. The reversal of 9961200968 is 8690021699.

It can be written as a sum of positive squares in only one way, i.e., 9483253924 + 477947044 = 97382^2 + 21862^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622575053 + ... + 622575068.

Almost surely, 2^9961200968 is an apocalyptic number.

It is an amenable number.

9961200968 is a deficient number, since it is larger than the sum of its proper divisors (8716050862).

9961200968 is a wasteful number, since it uses less digits than its factorization.

9961200968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245150127 (or 1245150123 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 9961200968 is about 99805.8163034600. The cubic root of 9961200968 is about 2151.6447459945.

The spelling of 9961200968 in words is "nine billion, nine hundred sixty-one million, two hundred thousand, nine hundred sixty-eight".