879170617 has 12 divisors (see below), whose sum is σ = 956200620. Its totient is φ = 807962688.

The previous prime is 879170599. The next prime is 879170629. The reversal of 879170617 is 716071978.

It can be written as a sum of positive squares in 6 ways, for example, as 39388176 + 839782441 = 6276^2 + 28979^2 .

It is not a de Polignac number, because 879170617 - 2¹⁵ = 879137849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879170687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27343 + ... + 50059.

It is an arithmetic number, because the mean of its divisors is an integer number (79683385).

Almost surely, 2^879170617 is an apocalyptic number.

It is an amenable number.

879170617 is a deficient number, since it is larger than the sum of its proper divisors (77030003).

879170617 is a wasteful number, since it uses less digits than its factorization.

879170617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22972 (or 22959 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 46.

The square root of 879170617 is about 29650.8114054236. The cubic root of 879170617 is about 957.9828220733.

The spelling of 879170617 in words is "eight hundred seventy-nine million, one hundred seventy thousand, six hundred seventeen".