999112710 has 64 divisors (see below), whose sum is σ = 2468289024. Its totient is φ = 258720000.

The previous prime is 999112703. The next prime is 999112711. The reversal of 999112710 is 17211999.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999112711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139210 + ... + 146210.

It is an arithmetic number, because the mean of its divisors is an integer number (38567016).

Almost surely, 2^999112710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999112710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234144512).

999112710 is an abundant number, since it is smaller than the sum of its proper divisors (1469176314).

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

999112710 is a wasteful number, since it uses less digits than its factorization.

999112710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7149.

The product of its (nonzero) digits is 10206, while the sum is 39.

The square root of 999112710 is about 31608.7442015655. The cubic root of 999112710 is about 999.7041491476.

The spelling of 999112710 in words is "nine hundred ninety-nine million, one hundred twelve thousand, seven hundred ten".