17117106247 has 4 divisors (see below), whose sum is σ = 17707351320. Its totient is φ = 16526861176.

The previous prime is 17117106229. The next prime is 17117106301. The reversal of 17117106247 is 74260171171.

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 17117106247 - 2⁷ = 17117106119 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 (17117106647) 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, 295122493 + ... + 295122550.

It is an arithmetic number, because the mean of its divisors is an integer number (4426837830).

Almost surely, 2^17117106247 is an apocalyptic number.

17117106247 is a deficient number, since it is larger than the sum of its proper divisors (590245073).

17117106247 is an equidigital number, since it uses as much as digits as its factorization.

17117106247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590245072.

The product of its (nonzero) digits is 16464, while the sum is 37.

The spelling of 17117106247 in words is "seventeen billion, one hundred seventeen million, one hundred six thousand, two hundred forty-seven".