98849999867 has 4 divisors (see below), whose sum is σ = 98852370240. Its totient is φ = 98847629496.

The previous prime is 98849999839. The next prime is 98849999869. The reversal of 98849999867 is 76899994889.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76899994889 = 20297 ⋅3788737.

It is a cyclic number.

It is not a de Polignac number, because 98849999867 - 2⁶ = 98849999803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98849999869) 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 3 ways as a sum of consecutive naturals, for example, 1121492 + ... + 1206417.

It is an arithmetic number, because the mean of its divisors is an integer number (24713092560).

Almost surely, 2^98849999867 is an apocalyptic number.

98849999867 is a deficient number, since it is larger than the sum of its proper divisors (2370373).

98849999867 is a wasteful number, since it uses less digits than its factorization.

98849999867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370372.

The product of its digits is 5079158784, while the sum is 86.

The spelling of 98849999867 in words is "ninety-eight billion, eight hundred forty-nine million, nine hundred ninety-nine thousand, eight hundred sixty-seven".