889716673 has 2 divisors, whose sum is σ = 889716674. Its totient is φ = 889716672.

The previous prime is 889716589. The next prime is 889716677. The reversal of 889716673 is 376617988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 870427009 + 19289664 = 29503^2 + 4392^2 .

It is a cyclic number.

It is not a de Polignac number, because 889716673 - 2⁹ = 889716161 is a prime.

It is not a weakly prime, because it can be changed into another prime (889716677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444858336 + 444858337.

It is an arithmetic number, because the mean of its divisors is an integer number (444858337).

Almost surely, 2^889716673 is an apocalyptic number.

It is an amenable number.

889716673 is a deficient number, since it is larger than the sum of its proper divisors (1).

889716673 is an equidigital number, since it uses as much as digits as its factorization.

889716673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 55.

The square root of 889716673 is about 29828.1188310627. The cubic root of 889716673 is about 961.7980887557.

The spelling of 889716673 in words is "eight hundred eighty-nine million, seven hundred sixteen thousand, six hundred seventy-three".