889349448877 has 2 divisors, whose sum is σ = 889349448878. Its totient is φ = 889349448876.

The previous prime is 889349448859. The next prime is 889349448971. The reversal of 889349448877 is 778844943988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 729326248036 + 160023200841 = 854006^2 + 400029^2 .

It is a cyclic number.

It is not a de Polignac number, because 889349448877 - 2¹¹ = 889349446829 is a prime.

It is a super-2 number, since 2×889349448877² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 889349448797 and 889349448806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889349445877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444674724438 + 444674724439.

It is an arithmetic number, because the mean of its divisors is an integer number (444674724439).

Almost surely, 2^889349448877 is an apocalyptic number.

It is an amenable number.

889349448877 is a deficient number, since it is larger than the sum of its proper divisors (1).

889349448877 is an equidigital number, since it uses as much as digits as its factorization.

889349448877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3121348608, while the sum is 79.

The spelling of 889349448877 in words is "eight hundred eighty-nine billion, three hundred forty-nine million, four hundred forty-eight thousand, eight hundred seventy-seven".