873889361 has 4 divisors (see below), whose sum is σ = 873958500. Its totient is φ = 873820224.

The previous prime is 873889343. The next prime is 873889409. The reversal of 873889361 is 163988378.

873889361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 163988378 = 2 ⋅81994189.

It can be written as a sum of positive squares in 2 ways, for example, as 400000000 + 473889361 = 20000^2 + 21769^2 .

It is a cyclic number.

It is not a de Polignac number, because 873889361 - 2²⁶ = 806780497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873889561) 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, 9596 + ... + 42893.

It is an arithmetic number, because the mean of its divisors is an integer number (218489625).

Almost surely, 2^873889361 is an apocalyptic number.

It is an amenable number.

873889361 is a deficient number, since it is larger than the sum of its proper divisors (69139).

873889361 is a wasteful number, since it uses less digits than its factorization.

873889361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69138.

The product of its digits is 1741824, while the sum is 53.

The square root of 873889361 is about 29561.6197289661. The cubic root of 873889361 is about 956.0607389063.

The spelling of 873889361 in words is "eight hundred seventy-three million, eight hundred eighty-nine thousand, three hundred sixty-one".