889897039 has 2 divisors, whose sum is σ = 889897040. Its totient is φ = 889897038.

The previous prime is 889897009. The next prime is 889897049. The reversal of 889897039 is 930798988.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 889897039 - 2⁵ = 889897007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889897009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444948519 + 444948520.

It is an arithmetic number, because the mean of its divisors is an integer number (444948520).

Almost surely, 2^889897039 is an apocalyptic number.

889897039 is a deficient number, since it is larger than the sum of its proper divisors (1).

889897039 is an equidigital number, since it uses as much as digits as its factorization.

889897039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 61.

The square root of 889897039 is about 29831.1421001610. The cubic root of 889897039 is about 961.8630772171.

The spelling of 889897039 in words is "eight hundred eighty-nine million, eight hundred ninety-seven thousand, thirty-nine".