879666173 has 8 divisors (see below), whose sum is σ = 935482680. Its totient is φ = 824302080.

The previous prime is 879666143. The next prime is 879666181. The reversal of 879666173 is 371666978.

It can be written as a sum of positive squares in 4 ways, for example, as 179640409 + 700025764 = 13403^2 + 26458^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 879666173 - 2¹⁶ = 879600637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879666113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109088 + ... + 116873.

It is an arithmetic number, because the mean of its divisors is an integer number (116935335).

Almost surely, 2^879666173 is an apocalyptic number.

It is an amenable number.

879666173 is a deficient number, since it is larger than the sum of its proper divisors (55816507).

879666173 is a wasteful number, since it uses less digits than its factorization.

879666173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226207.

The product of its digits is 2286144, while the sum is 53.

The square root of 879666173 is about 29659.1667617282. The cubic root of 879666173 is about 958.1627814416.

The spelling of 879666173 in words is "eight hundred seventy-nine million, six hundred sixty-six thousand, one hundred seventy-three".