899353717 has 2 divisors, whose sum is σ = 899353718. Its totient is φ = 899353716.

The previous prime is 899353681. The next prime is 899353739. The reversal of 899353717 is 717353998.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 637108081 + 262245636 = 25241^2 + 16194^2 .

It is a cyclic number.

It is not a de Polignac number, because 899353717 - 2¹⁵ = 899320949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (899353747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449676858 + 449676859.

It is an arithmetic number, because the mean of its divisors is an integer number (449676859).

Almost surely, 2^899353717 is an apocalyptic number.

It is an amenable number.

899353717 is a deficient number, since it is larger than the sum of its proper divisors (1).

899353717 is an equidigital number, since it uses as much as digits as its factorization.

899353717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 52.

The square root of 899353717 is about 29989.2266822604. The cubic root of 899353717 is about 965.2582257931.

The spelling of 899353717 in words is "eight hundred ninety-nine million, three hundred fifty-three thousand, seven hundred seventeen".