9798241378 has 4 divisors (see below), whose sum is σ = 14697362070. Its totient is φ = 4899120688.

The previous prime is 9798241367. The next prime is 9798241433. The reversal of 9798241378 is 8731428979.

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

It can be written as a sum of positive squares in only one way, i.e., 6869591689 + 2928649689 = 82883^2 + 54117^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2449560343 + ... + 2449560346.

Almost surely, 2^9798241378 is an apocalyptic number.

9798241378 is a deficient number, since it is larger than the sum of its proper divisors (4899120692).

9798241378 is a wasteful number, since it uses less digits than its factorization.

9798241378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4899120691.

The product of its digits is 6096384, while the sum is 58.

The square root of 9798241378 is about 98986.0665851513. The cubic root of 9798241378 is about 2139.8469464300.

The spelling of 9798241378 in words is "nine billion, seven hundred ninety-eight million, two hundred forty-one thousand, three hundred seventy-eight".