899127012 has 48 divisors (see below), whose sum is σ = 2403741312. Its totient is φ = 256243200.

The previous prime is 899127011. The next prime is 899127013. The reversal of 899127012 is 210721998.

It is an interprime number because it is at equal distance from previous prime (899127011) and next prime (899127013).

It is not an unprimeable number, because it can be changed into a prime (899127011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20338 + ... + 47030.

It is an arithmetic number, because the mean of its divisors is an integer number (50077944).

Almost surely, 2^899127012 is an apocalyptic number.

It is an amenable number.

899127012 is an abundant number, since it is smaller than the sum of its proper divisors (1504614300).

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

899127012 is a wasteful number, since it uses less digits than its factorization.

899127012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27108 (or 27106 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 899127012 is about 29985.4466700098. The cubic root of 899127012 is about 965.1771130075.

The spelling of 899127012 in words is "eight hundred ninety-nine million, one hundred twenty-seven thousand, twelve".