899916803 has 4 divisors (see below), whose sum is σ = 900272400. Its totient is φ = 899561208.

The previous prime is 899916799. The next prime is 899916827. The reversal of 899916803 is 308619998.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 899916803 - 2² = 899916799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (899916863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173975 + ... + 179072.

It is an arithmetic number, because the mean of its divisors is an integer number (225068100).

Almost surely, 2^899916803 is an apocalyptic number.

899916803 is a deficient number, since it is larger than the sum of its proper divisors (355597).

899916803 is a wasteful number, since it uses less digits than its factorization.

899916803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355596.

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 899916803 is about 29998.6133512868. The cubic root of 899916803 is about 965.4596333850.

The spelling of 899916803 in words is "eight hundred ninety-nine million, nine hundred sixteen thousand, eight hundred three".