873403539 has 8 divisors (see below), whose sum is σ = 1179279360. Its totient is φ = 574898376.

The previous prime is 873403477. The next prime is 873403567. The reversal of 873403539 is 935304378.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 873403539 - 2¹⁶ = 873338003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 873403539.

It is not an unprimeable number, because it can be changed into a prime (873403639) 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 7 ways as a sum of consecutive naturals, for example, 1842387 + ... + 1842860.

It is an arithmetic number, because the mean of its divisors is an integer number (147409920).

Almost surely, 2^873403539 is an apocalyptic number.

873403539 is a deficient number, since it is larger than the sum of its proper divisors (305875821).

873403539 is a wasteful number, since it uses less digits than its factorization.

873403539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685329.

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 873403539 is about 29553.4014793560. The cubic root of 873403539 is about 955.8835381988.

The spelling of 873403539 in words is "eight hundred seventy-three million, four hundred three thousand, five hundred thirty-nine".