896764189 has 2 divisors, whose sum is σ = 896764190. Its totient is φ = 896764188.

The previous prime is 896764171. The next prime is 896764201. The reversal of 896764189 is 981467698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 649740100 + 247024089 = 25490^2 + 15717^2 .

It is a cyclic number.

It is not a de Polignac number, because 896764189 - 2⁵ = 896764157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (896764159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448382094 + 448382095.

It is an arithmetic number, because the mean of its divisors is an integer number (448382095).

Almost surely, 2^896764189 is an apocalyptic number.

It is an amenable number.

896764189 is a deficient number, since it is larger than the sum of its proper divisors (1).

896764189 is an equidigital number, since it uses as much as digits as its factorization.

896764189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 58.

The square root of 896764189 is about 29946.0212549180. The cubic root of 896764189 is about 964.3309057945.

The spelling of 896764189 in words is "eight hundred ninety-six million, seven hundred sixty-four thousand, one hundred eighty-nine".