999986000048 has 120 divisors (see below), whose sum is σ = 2352816195840. Its totient is φ = 409752604800.

The previous prime is 999986000047. The next prime is 999986000053. The reversal of 999986000048 is 840000689999.

It is a Cunningham number, because it is equal to 999993²-1.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (999986000047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45988763 + ... + 46010501.

It is an arithmetic number, because the mean of its divisors is an integer number (19606801632).

Almost surely, 2^999986000048 is an apocalyptic number.

999986000048 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999986000048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176408097920).

999986000048 is an abundant number, since it is smaller than the sum of its proper divisors (1352830195792).

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

999986000048 is a wasteful number, since it uses less digits than its factorization.

999986000048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24335 (or 24322 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 62.

The spelling of 999986000048 in words is "nine hundred ninety-nine billion, nine hundred eighty-six million, forty-eight", and thus it is an aban number.