899387803 has 2 divisors, whose sum is σ = 899387804. Its totient is φ = 899387802.

The previous prime is 899387747. The next prime is 899387821. The reversal of 899387803 is 308783998.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-899387803 is a prime.

It is not a weakly prime, because it can be changed into another prime (899367803) 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 as a sum of consecutive naturals, namely, 449693901 + 449693902.

It is an arithmetic number, because the mean of its divisors is an integer number (449693902).

Almost surely, 2^899387803 is an apocalyptic number.

899387803 is a deficient number, since it is larger than the sum of its proper divisors (1).

899387803 is an equidigital number, since it uses as much as digits as its factorization.

899387803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 899387803 is about 29989.7949809598. The cubic root of 899387803 is about 965.2704202447.

The spelling of 899387803 in words is "eight hundred ninety-nine million, three hundred eighty-seven thousand, eight hundred three".