889611473 has 2 divisors, whose sum is σ = 889611474. Its totient is φ = 889611472.

The previous prime is 889611467. The next prime is 889611487. The reversal of 889611473 is 374116988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 820937104 + 68674369 = 28652^2 + 8287^2 .

It is a cyclic number.

It is not a de Polignac number, because 889611473 - 2⁶ = 889611409 is a prime.

It is not a weakly prime, because it can be changed into another prime (889611403) 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, 444805736 + 444805737.

It is an arithmetic number, because the mean of its divisors is an integer number (444805737).

Almost surely, 2^889611473 is an apocalyptic number.

It is an amenable number.

889611473 is a deficient number, since it is larger than the sum of its proper divisors (1).

889611473 is an equidigital number, since it uses as much as digits as its factorization.

889611473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 47.

The square root of 889611473 is about 29826.3553422137. The cubic root of 889611473 is about 961.7601796287.

The spelling of 889611473 in words is "eight hundred eighty-nine million, six hundred eleven thousand, four hundred seventy-three".