17378062117 has 4 divisors (see below), whose sum is σ = 18714836140. Its totient is φ = 16041288096.

The previous prime is 17378062111. The next prime is 17378062139. The reversal of 17378062117 is 71126087371.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71126087371 = 66529 ⋅1069099.

It can be written as a sum of positive squares in 2 ways, for example, as 4960525761 + 12417536356 = 70431^2 + 111434^2 .

It is a cyclic number.

It is not a de Polignac number, because 17378062117 - 2⁷ = 17378061989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17378062111) 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, 668386992 + ... + 668387017.

It is an arithmetic number, because the mean of its divisors is an integer number (4678709035).

Almost surely, 2^17378062117 is an apocalyptic number.

It is an amenable number.

17378062117 is a deficient number, since it is larger than the sum of its proper divisors (1336774023).

17378062117 is a wasteful number, since it uses less digits than its factorization.

17378062117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336774022.

The product of its (nonzero) digits is 98784, while the sum is 43.

The spelling of 17378062117 in words is "seventeen billion, three hundred seventy-eight million, sixty-two thousand, one hundred seventeen".