99844988675 has 6 divisors (see below), whose sum is σ = 123807785988. Its totient is φ = 79875990920.

The previous prime is 99844988653. The next prime is 99844988681. The reversal of 99844988675 is 57688944899.

It is a de Polignac number, because none of the positive numbers 2^k-99844988675 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99844988596 and 99844988605.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1996899749 + ... + 1996899798.

It is an arithmetic number, because the mean of its divisors is an integer number (20634630998).

Almost surely, 2^99844988675 is an apocalyptic number.

99844988675 is a deficient number, since it is larger than the sum of its proper divisors (23962797313).

99844988675 is a wasteful number, since it uses less digits than its factorization.

99844988675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993799557 (or 3993799552 counting only the distinct ones).

The product of its digits is 1254113280, while the sum is 77.

The spelling of 99844988675 in words is "ninety-nine billion, eight hundred forty-four million, nine hundred eighty-eight thousand, six hundred seventy-five".