9798318761 has 24 divisors (see below), whose sum is σ = 12559881600. Its totient is φ = 7635021240.

The previous prime is 9798318731. The next prime is 9798318833. The reversal of 9798318761 is 1678138979.

It is not a de Polignac number, because 9798318761 - 2⁶ = 9798318697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9798318761.

It is not an unprimeable number, because it can be changed into a prime (9798318731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76541 + ... + 159546.

It is an arithmetic number, because the mean of its divisors is an integer number (523328400).

Almost surely, 2^9798318761 is an apocalyptic number.

It is an amenable number.

9798318761 is a deficient number, since it is larger than the sum of its proper divisors (2761562839).

9798318761 is a wasteful number, since it uses less digits than its factorization.

9798318761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236130 (or 236105 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 59.

The square root of 9798318761 is about 98986.4574626247. The cubic root of 9798318761 is about 2139.8525796634.

The spelling of 9798318761 in words is "nine billion, seven hundred ninety-eight million, three hundred eighteen thousand, seven hundred sixty-one".