999793837140 has 576 divisors, whose sum is σ = 3405787596288. Its totient is φ = 218325811200.

The previous prime is 999793837061. The next prime is 999793837151. The reversal of 999793837140 is 41738397999.

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 1685992684 + ... + 1685993276.

It is an arithmetic number, because the mean of its divisors is an integer number (5912825688).

Almost surely, 2^999793837140 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 999793837140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1702893798144).

999793837140 is an abundant number, since it is smaller than the sum of its proper divisors (2405993759148).

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

999793837140 is a wasteful number, since it uses less digits than its factorization.

999793837140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 92588832, while the sum is 69.

The spelling of 999793837140 in words is "nine hundred ninety-nine billion, seven hundred ninety-three million, eight hundred thirty-seven thousand, one hundred forty".