873172438 has 8 divisors (see below), whose sum is σ = 1315966680. Its totient is φ = 434516880.

The previous prime is 873172429. The next prime is 873172441. The reversal of 873172438 is 834271378.

873172438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 873172394 and 873172403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034143 + ... + 1034986.

It is an arithmetic number, because the mean of its divisors is an integer number (164495835).

Almost surely, 2^873172438 is an apocalyptic number.

873172438 is a deficient number, since it is larger than the sum of its proper divisors (442794242).

873172438 is a wasteful number, since it uses less digits than its factorization.

873172438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069342.

The product of its digits is 225792, while the sum is 43.

The square root of 873172438 is about 29549.4913323394. The cubic root of 873172438 is about 955.7992224088.

The spelling of 873172438 in words is "eight hundred seventy-three million, one hundred seventy-two thousand, four hundred thirty-eight".