889049065 has 4 divisors (see below), whose sum is σ = 1066858884. Its totient is φ = 711239248.

The previous prime is 889049053. The next prime is 889049069. The reversal of 889049065 is 560940988.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 424689664 + 464359401 = 20608^2 + 21549^2 .

It is a cyclic number.

It is not a de Polignac number, because 889049065 - 2¹¹ = 889047017 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889049069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88904902 + ... + 88904911.

It is an arithmetic number, because the mean of its divisors is an integer number (266714721).

Almost surely, 2^889049065 is an apocalyptic number.

It is an amenable number.

889049065 is a deficient number, since it is larger than the sum of its proper divisors (177809819).

889049065 is a wasteful number, since it uses less digits than its factorization.

889049065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177809818.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 889049065 is about 29816.9258140406. The cubic root of 889049065 is about 961.5574635515.

It can be divided in two parts, 88904 and 9065, that added together give a square (97969 = 313²).

The spelling of 889049065 in words is "eight hundred eighty-nine million, forty-nine thousand, sixty-five".