899818607 has 2 divisors, whose sum is σ = 899818608. Its totient is φ = 899818606.

The previous prime is 899818597. The next prime is 899818669. The reversal of 899818607 is 706818998.

It is a happy number.

899818607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-899818607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (899811607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449909303 + 449909304.

It is an arithmetic number, because the mean of its divisors is an integer number (449909304).

Almost surely, 2^899818607 is an apocalyptic number.

899818607 is a deficient number, since it is larger than the sum of its proper divisors (1).

899818607 is an equidigital number, since it uses as much as digits as its factorization.

899818607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 56.

The square root of 899818607 is about 29996.9766309873. The cubic root of 899818607 is about 965.4245161674.

The spelling of 899818607 in words is "eight hundred ninety-nine million, eight hundred eighteen thousand, six hundred seven".