9798819027 has 8 divisors (see below), whose sum is σ = 13065554880. Its totient is φ = 6532314600.

The previous prime is 9798819001. The next prime is 9798819029. The reversal of 9798819027 is 7209188979.

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

It is not a de Polignac number, because 9798819027 - 2¹⁶ = 9798753491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9798819029) 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, 113152 + ... + 180002.

It is an arithmetic number, because the mean of its divisors is an integer number (1633194360).

Almost surely, 2^9798819027 is an apocalyptic number.

9798819027 is a deficient number, since it is larger than the sum of its proper divisors (3266735853).

9798819027 is a wasteful number, since it uses less digits than its factorization.

9798819027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115713.

The product of its (nonzero) digits is 4572288, while the sum is 60.

The square root of 9798819027 is about 98988.9843719997. The cubic root of 9798819027 is about 2139.8889967025. Note that the first 3 decimals are identical.

The spelling of 9798819027 in words is "nine billion, seven hundred ninety-eight million, eight hundred nineteen thousand, twenty-seven".