98128820899 has 8 divisors (see below), whose sum is σ = 99537590880. Its totient is φ = 96720792000.

The previous prime is 98128820849. The next prime is 98128820927. The reversal of 98128820899 is 99802882189.

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

It is a cyclic number.

It is not a de Polignac number, because 98128820899 - 2¹⁹ = 98128296611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98128820899.

It is not an unprimeable number, because it can be changed into a prime (98128820849) 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 7 ways as a sum of consecutive naturals, for example, 84249 + ... + 450949.

It is an arithmetic number, because the mean of its divisors is an integer number (12442198860).

Almost surely, 2^98128820899 is an apocalyptic number.

98128820899 is a deficient number, since it is larger than the sum of its proper divisors (1408769981).

98128820899 is a wasteful number, since it uses less digits than its factorization.

98128820899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370541.

The product of its (nonzero) digits is 11943936, while the sum is 64.

The spelling of 98128820899 in words is "ninety-eight billion, one hundred twenty-eight million, eight hundred twenty thousand, eight hundred ninety-nine".