705116171 has 4 divisors (see below), whose sum is σ = 705365832. Its totient is φ = 704866512.

The previous prime is 705116149. The next prime is 705116189. The reversal of 705116171 is 171611507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171611507 = 4409 ⋅38923.

It is a cyclic number.

It is not a de Polignac number, because 705116171 - 2²² = 700921867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (705119171) 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, 120545 + ... + 126258.

It is an arithmetic number, because the mean of its divisors is an integer number (176341458).

Almost surely, 2^705116171 is an apocalyptic number.

705116171 is a deficient number, since it is larger than the sum of its proper divisors (249661).

705116171 is a wasteful number, since it uses less digits than its factorization.

705116171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249660.

The product of its (nonzero) digits is 1470, while the sum is 29.

The square root of 705116171 is about 26554.0236310808. The cubic root of 705116171 is about 890.0619285275.

Adding to 705116171 its reverse (171611507), we get a palindrome (876727678).

The spelling of 705116171 in words is "seven hundred five million, one hundred sixteen thousand, one hundred seventy-one".