873423765 has 24 divisors (see below), whose sum is σ = 1520235288. Its totient is φ = 463887360.

The previous prime is 873423751. The next prime is 873423799. The reversal of 873423765 is 567324378.

873423765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 148791204 + 724632561 = 12198^2 + 26919^2 .

It is not a de Polignac number, because 873423765 - 2⁹ = 873423253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 873423765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29424 + ... + 51113.

It is an arithmetic number, because the mean of its divisors is an integer number (63343137).

Almost surely, 2^873423765 is an apocalyptic number.

It is an amenable number.

873423765 is a deficient number, since it is larger than the sum of its proper divisors (646811523).

873423765 is a wasteful number, since it uses less digits than its factorization.

873423765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80789 (or 80786 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 873423765 is about 29553.7436714877. The cubic root of 873423765 is about 955.8909168237.

The spelling of 873423765 in words is "eight hundred seventy-three million, four hundred twenty-three thousand, seven hundred sixty-five".