889058255509 has 4 divisors (see below), whose sum is σ = 891170033260. Its totient is φ = 886946477760.

The previous prime is 889058255479. The next prime is 889058255521. The reversal of 889058255509 is 905552850988.

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 245247800625 + 643810454884 = 495225^2 + 802378^2 .

It is a cyclic number.

It is not a de Polignac number, because 889058255509 - 2⁷ = 889058255381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889058255539) 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 in 3 ways as a sum of consecutive naturals, for example, 1055888244 + ... + 1055889085.

It is an arithmetic number, because the mean of its divisors is an integer number (222792508315).

Almost surely, 2^889058255509 is an apocalyptic number.

It is an amenable number.

889058255509 is a deficient number, since it is larger than the sum of its proper divisors (2111777751).

889058255509 is a wasteful number, since it uses less digits than its factorization.

889058255509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111777750.

The product of its (nonzero) digits is 51840000, while the sum is 64.

The spelling of 889058255509 in words is "eight hundred eighty-nine billion, fifty-eight million, two hundred fifty-five thousand, five hundred nine".