889052447 has 2 divisors, whose sum is σ = 889052448. Its totient is φ = 889052446.

The previous prime is 889052443. The next prime is 889052497. The reversal of 889052447 is 744250988.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 889052447 - 2² = 889052443 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 (889052443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444526223 + 444526224.

It is an arithmetic number, because the mean of its divisors is an integer number (444526224).

Almost surely, 2^889052447 is an apocalyptic number.

889052447 is a deficient number, since it is larger than the sum of its proper divisors (1).

889052447 is an equidigital number, since it uses as much as digits as its factorization.

889052447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 889052447 is about 29816.9825267414. The cubic root of 889052447 is about 961.5586828254.

The spelling of 889052447 in words is "eight hundred eighty-nine million, fifty-two thousand, four hundred forty-seven".