98871169865 has 32 divisors (see below), whose sum is σ = 133347906720. Its totient is φ = 69870882816.

The previous prime is 98871169853. The next prime is 98871169879. The reversal of 98871169865 is 56896117889.

It can be written as a sum of positive squares in 16 ways, for example, as 38965180816 + 59905989049 = 197396^2 + 244757^2 .

It is a cyclic number.

It is not a de Polignac number, because 98871169865 - 2¹⁴ = 98871153481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98871169795 and 98871169804.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 19082 + ... + 445091.

It is an arithmetic number, because the mean of its divisors is an integer number (4167122085).

Almost surely, 2^98871169865 is an apocalyptic number.

It is an amenable number.

98871169865 is a deficient number, since it is larger than the sum of its proper divisors (34476736855).

98871169865 is a wasteful number, since it uses less digits than its factorization.

98871169865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464333.

The product of its digits is 52254720, while the sum is 68.

The spelling of 98871169865 in words is "ninety-eight billion, eight hundred seventy-one million, one hundred sixty-nine thousand, eight hundred sixty-five".