170113927 has 4 divisors (see below), whose sum is σ = 170419896. Its totient is φ = 169807960.

The previous prime is 170113861. The next prime is 170113943. The reversal of 170113927 is 729311071.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 170113927 - 2¹⁹ = 169589639 is a prime.

It is a super-2 number, since 2×170113927² = 57877496318722658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170113967) 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, 152149 + ... + 153262.

It is an arithmetic number, because the mean of its divisors is an integer number (42604974).

Almost surely, 2^170113927 is an apocalyptic number.

170113927 is a deficient number, since it is larger than the sum of its proper divisors (305969).

170113927 is an equidigital number, since it uses as much as digits as its factorization.

170113927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305968.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 170113927 is about 13042.7729797003. The cubic root of 170113927 is about 554.0895464041.

Adding to 170113927 its reverse (729311071), we get a palindrome (899424998).

The spelling of 170113927 in words is "one hundred seventy million, one hundred thirteen thousand, nine hundred twenty-seven".