9798665736707 has 4 divisors (see below), whose sum is σ = 9799191519456. Its totient is φ = 9798139953960.

The previous prime is 9798665736689. The next prime is 9798665736731. The reversal of 9798665736707 is 7076375668979.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9798665736707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9798665736787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262863419 + ... + 262900692.

It is an arithmetic number, because the mean of its divisors is an integer number (2449797879864).

Almost surely, 2^{9798665736707} is an apocalyptic number.

9798665736707 is a deficient number, since it is larger than the sum of its proper divisors (525782749).

9798665736707 is a wasteful number, since it uses less digits than its factorization.

9798665736707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525782748.

The product of its (nonzero) digits is 5040947520, while the sum is 80.

The spelling of 9798665736707 in words is "nine trillion, seven hundred ninety-eight billion, six hundred sixty-five million, seven hundred thirty-six thousand, seven hundred seven".