998003974067 has 4 divisors (see below), whose sum is σ = 1003980045936. Its totient is φ = 992027902200.

The previous prime is 998003974043. The next prime is 998003974087. The reversal of 998003974067 is 760479300899.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 998003974067 - 2⁶ = 998003974003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (998003974027) 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, 2988035684 + ... + 2988036017.

It is an arithmetic number, because the mean of its divisors is an integer number (250995011484).

Almost surely, 2^998003974067 is an apocalyptic number.

998003974067 is a deficient number, since it is larger than the sum of its proper divisors (5976071869).

998003974067 is a wasteful number, since it uses less digits than its factorization.

998003974067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976071868.

The product of its (nonzero) digits is 20575296, while the sum is 62.

The spelling of 998003974067 in words is "nine hundred ninety-eight billion, three million, nine hundred seventy-four thousand, sixty-seven".