17720117314 has 16 divisors (see below), whose sum is σ = 28349151768. Its totient is φ = 8278008832.

The previous prime is 17720117299. The next prime is 17720117323. The reversal of 17720117314 is 41371102771.

It can be written as a sum of positive squares in 4 ways, for example, as 13716391689 + 4003725625 = 117117^2 + 63275^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 17720117314.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1897459 + ... + 1906774.

Almost surely, 2^17720117314 is an apocalyptic number.

17720117314 is a deficient number, since it is larger than the sum of its proper divisors (10629034454).

17720117314 is a wasteful number, since it uses less digits than its factorization.

17720117314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804389.

The product of its (nonzero) digits is 8232, while the sum is 34.

The spelling of 17720117314 in words is "seventeen billion, seven hundred twenty million, one hundred seventeen thousand, three hundred fourteen".