899159112 has 24 divisors (see below), whose sum is σ = 2435222790. Its totient is φ = 299719680.

The previous prime is 899159083. The next prime is 899159117. The reversal of 899159112 is 211951998.

It can be written as a sum of positive squares in only one way, i.e., 809174916 + 89984196 = 28446^2 + 9486^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (899159117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6244089 + ... + 6244232.

Almost surely, 2^899159112 is an apocalyptic number.

It is an amenable number.

899159112 is an abundant number, since it is smaller than the sum of its proper divisors (1536063678).

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

899159112 is a wasteful number, since it uses less digits than its factorization.

899159112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12488333 (or 12488326 counting only the distinct ones).

The product of its digits is 58320, while the sum is 45.

The square root of 899159112 is about 29985.9819248928. The cubic root of 899159112 is about 965.1885988955.

The spelling of 899159112 in words is "eight hundred ninety-nine million, one hundred fifty-nine thousand, one hundred twelve".