98248999891 has 16 divisors (see below), whose sum is σ = 115002316800. Its totient is φ = 82185392160.

The previous prime is 98248999873. The next prime is 98248999931. The reversal of 98248999891 is 19899984289.

It is a cyclic number.

It is not a de Polignac number, because 98248999891 - 2¹³ = 98248991699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98248999811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313015 + ... + 542656.

It is an arithmetic number, because the mean of its divisors is an integer number (7187644800).

Almost surely, 2^98248999891 is an apocalyptic number.

98248999891 is a deficient number, since it is larger than the sum of its proper divisors (16753316909).

98248999891 is a wasteful number, since it uses less digits than its factorization.

98248999891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856074.

The product of its digits is 241864704, while the sum is 76.

The spelling of 98248999891 in words is "ninety-eight billion, two hundred forty-eight million, nine hundred ninety-nine thousand, eight hundred ninety-one".