899666830 has 32 divisors (see below), whose sum is σ = 1634048640. Its totient is φ = 356628000.

The previous prime is 899666791. The next prime is 899666839. The reversal of 899666830 is 38666998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899666839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568981 + ... + 570559.

It is an arithmetic number, because the mean of its divisors is an integer number (51064020).

Almost surely, 2^899666830 is an apocalyptic number.

899666830 is a deficient number, since it is larger than the sum of its proper divisors (734381810).

899666830 is a wasteful number, since it uses less digits than its factorization.

899666830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The square root of 899666830 is about 29994.4466526722. The cubic root of 899666830 is about 965.3702320873.

The spelling of 899666830 in words is "eight hundred ninety-nine million, six hundred sixty-six thousand, eight hundred thirty".