899504317 has 2 divisors, whose sum is σ = 899504318. Its totient is φ = 899504316.

The previous prime is 899504311. The next prime is 899504387. The reversal of 899504317 is 713405998.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898740441 + 763876 = 29979^2 + 874^2 .

It is a cyclic number.

It is not a de Polignac number, because 899504317 - 2¹⁹ = 898980029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (899504311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449752158 + 449752159.

It is an arithmetic number, because the mean of its divisors is an integer number (449752159).

Almost surely, 2^899504317 is an apocalyptic number.

It is an amenable number.

899504317 is a deficient number, since it is larger than the sum of its proper divisors (1).

899504317 is an equidigital number, since it uses as much as digits as its factorization.

899504317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 899504317 is about 29991.7374788457. The cubic root of 899504317 is about 965.3121014347.

The spelling of 899504317 in words is "eight hundred ninety-nine million, five hundred four thousand, three hundred seventeen".