9800207986798 has 8 divisors (see below), whose sum is σ = 15339455979408. Its totient is φ = 4687055993664.

The previous prime is 9800207986787. The next prime is 9800207986939. The reversal of 9800207986798 is 8976897020089.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9800207986798.

It is a congruent number.

It is an unprimeable number.

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, 106523999811 + ... + 106523999902.

It is an arithmetic number, because the mean of its divisors is an integer number (1917431997426).

Almost surely, 2^{9800207986798} is an apocalyptic number.

9800207986798 is a deficient number, since it is larger than the sum of its proper divisors (5539247992610).

9800207986798 is a wasteful number, since it uses less digits than its factorization.

9800207986798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213047999738.

The product of its (nonzero) digits is 219469824, while the sum is 73.

The spelling of 9800207986798 in words is "nine trillion, eight hundred billion, two hundred seven million, nine hundred eighty-six thousand, seven hundred ninety-eight".