879641173 has 4 divisors (see below), whose sum is σ = 883321920. Its totient is φ = 875960428.

The previous prime is 879641129. The next prime is 879641177. The reversal of 879641173 is 371146978.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 371146978 = 2 ⋅185573489.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-879641173 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 (879641177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1840015 + ... + 1840492.

It is an arithmetic number, because the mean of its divisors is an integer number (220830480).

Almost surely, 2^879641173 is an apocalyptic number.

It is an amenable number.

879641173 is a deficient number, since it is larger than the sum of its proper divisors (3680747).

879641173 is a wasteful number, since it uses less digits than its factorization.

879641173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680746.

The product of its digits is 254016, while the sum is 46.

The square root of 879641173 is about 29658.7453038729. The cubic root of 879641173 is about 958.1537044011.

The spelling of 879641173 in words is "eight hundred seventy-nine million, six hundred forty-one thousand, one hundred seventy-three".