9835799961 has 8 divisors (see below), whose sum is σ = 14123200000. Its totient is φ = 6052799952.

The previous prime is 9835799959. The next prime is 9835800019. The reversal of 9835799961 is 1699975389.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9835799961 - 2¹ = 9835799959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9835799892 and 9835799901.

It is not an unprimeable number, because it can be changed into a prime (9835799951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126099961 + ... + 126100038.

It is an arithmetic number, because the mean of its divisors is an integer number (1765400000).

Almost surely, 2^9835799961 is an apocalyptic number.

It is an amenable number.

9835799961 is a deficient number, since it is larger than the sum of its proper divisors (4287400039).

9835799961 is a wasteful number, since it uses less digits than its factorization.

9835799961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252200015.

The product of its digits is 33067440, while the sum is 66.

The square root of 9835799961 is about 99175.6016417344. The cubic root of 9835799961 is about 2142.5776114998.

The spelling of 9835799961 in words is "nine billion, eight hundred thirty-five million, seven hundred ninety-nine thousand, nine hundred sixty-one".