999999000960 has 256 divisors, whose sum is σ = 3286558091520. Its totient is φ = 258473779200.

The previous prime is 999999000943. The next prime is 999999000961. The reversal of 999999000960 is 69000999999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999999000961) by changing a digit.

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, 10769130 + ... + 10861590.

It is an arithmetic number, because the mean of its divisors is an integer number (12838117545).

Almost surely, 2^999999000960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999999000960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643279045760).

999999000960 is an abundant number, since it is smaller than the sum of its proper divisors (2286559090560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999999000960 is a wasteful number, since it uses less digits than its factorization.

999999000960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92657 (or 92645 counting only the distinct ones).

The product of its (nonzero) digits is 28697814, while the sum is 69.

The spelling of 999999000960 in words is "nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred sixty", and thus it is an aban number.