999960000831 has 96 divisors (see below), whose sum is σ = 1662250636800. Its totient is φ = 573591432960.

The previous prime is 999960000797. The next prime is 999960000841. The reversal of 999960000831 is 138000069999.

It is not a de Polignac number, because 999960000831 - 2²³ = 999951612223 is a prime.

It is a super-2 number, since 2×999960000831² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999960000841) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 234785380 + ... + 234789638.

It is an arithmetic number, because the mean of its divisors is an integer number (17315110800).

Almost surely, 2^999960000831 is an apocalyptic number.

999960000831 is a deficient number, since it is larger than the sum of its proper divisors (662290635969).

999960000831 is a wasteful number, since it uses less digits than its factorization.

999960000831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901 (or 5898 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 54.

The spelling of 999960000831 in words is "nine hundred ninety-nine billion, nine hundred sixty million, eight hundred thirty-one", and thus it is an aban number.