899788012 has 12 divisors (see below), whose sum is σ = 1582874496. Its totient is φ = 447538160.

The previous prime is 899787979. The next prime is 899788013. The reversal of 899788012 is 210887998.

It is not an unprimeable number, because it can be changed into a prime (899788013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588103 + ... + 589630.

It is an arithmetic number, because the mean of its divisors is an integer number (131906208).

Almost surely, 2^899788012 is an apocalyptic number.

It is an amenable number.

899788012 is a deficient number, since it is larger than the sum of its proper divisors (683086484).

899788012 is a wasteful number, since it uses less digits than its factorization.

899788012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177928 (or 1177926 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 52.

The square root of 899788012 is about 29996.4666585916. The cubic root of 899788012 is about 965.4135741481.

The spelling of 899788012 in words is "eight hundred ninety-nine million, seven hundred eighty-eight thousand, twelve".