870313173 has 8 divisors (see below), whose sum is σ = 1160997600. Its totient is φ = 579918768.

The previous prime is 870313139. The next prime is 870313193. The reversal of 870313173 is 371313078.

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

It is not a de Polignac number, because 870313173 - 2¹⁸ = 870051029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870313193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65403 + ... + 77576.

It is an arithmetic number, because the mean of its divisors is an integer number (145124700).

Almost surely, 2^870313173 is an apocalyptic number.

It is an amenable number.

870313173 is a deficient number, since it is larger than the sum of its proper divisors (290684427).

870313173 is a wasteful number, since it uses less digits than its factorization.

870313173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145011.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 870313173 is about 29501.0707093827. The cubic root of 870313173 is about 954.7548041512.

The spelling of 870313173 in words is "eight hundred seventy million, three hundred thirteen thousand, one hundred seventy-three".