999999627000000 has 784 divisors, whose sum is σ = 3610390748906880. Its totient is φ = 242257280000000.

The previous prime is 999999626999999. The next prime is 999999627000019. The reversal of 999999627000000 is 726999999.

It is a self number, because there is not a number n which added to its sum of digits gives 999999627000000.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 51842990356 + ... + 51843009644.

Almost surely, 2^{999999627000000} 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 999999627000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1805195374453440).

999999627000000 is an abundant number, since it is smaller than the sum of its proper divisors (2610391121906880).

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

999999627000000 is a wasteful number, since it uses less digits than its factorization.

999999627000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20916 (or 20881 counting only the distinct ones).

The product of its (nonzero) digits is 44641044, while the sum is 69.

The spelling of 999999627000000 in words is "nine hundred ninety-nine trillion, nine hundred ninety-nine billion, six hundred twenty-seven million", and thus it is an aban number.