899000668 has 6 divisors (see below), whose sum is σ = 1573251176. Its totient is φ = 449500332.

The previous prime is 899000657. The next prime is 899000671. The reversal of 899000668 is 866000998.

It is a happy number.

899000668 is a strobogrammatic number because it is the same when read upside-down.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112375080 + ... + 112375087.

Almost surely, 2^899000668 is an apocalyptic number.

It is an amenable number.

899000668 is a deficient number, since it is larger than the sum of its proper divisors (674250508).

899000668 is a wasteful number, since it uses less digits than its factorization.

899000668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224750171 (or 224750169 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 899000668 is about 29983.3398406515. The cubic root of 899000668 is about 965.1319024689.

The spelling of 899000668 in words is "eight hundred ninety-nine million, six hundred sixty-eight", and thus it is an aban number.