999984000063 has 32 divisors (see below), whose sum is σ = 1437114251520. Its totient is φ = 616185838080.

The previous prime is 999984000031. The next prime is 999984000133. The reversal of 999984000063 is 360000489999.

It is a Cunningham number, because it is equal to 999992²-1.

It is not a de Polignac number, because 999984000063 - 2⁵ = 999984000031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 999983999967 and 999984000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999984002063) 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 31 ways as a sum of consecutive naturals, for example, 2833308 + ... + 3166638.

It is an arithmetic number, because the mean of its divisors is an integer number (44909820360).

Almost surely, 2^999984000063 is an apocalyptic number.

999984000063 is a deficient number, since it is larger than the sum of its proper divisors (437130251457).

999984000063 is a wasteful number, since it uses less digits than its factorization.

999984000063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334407.

The product of its (nonzero) digits is 3779136, while the sum is 57.

The spelling of 999984000063 in words is "nine hundred ninety-nine billion, nine hundred eighty-four million, sixty-three", and thus it is an aban number.