17117672894 has 16 divisors (see below), whose sum is σ = 29388200928. Its totient is φ = 7325240832.

The previous prime is 17117672893. The next prime is 17117672917. The reversal of 17117672894 is 49827671171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17117672893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898967 + ... + 917810.

It is an arithmetic number, because the mean of its divisors is an integer number (1836762558).

Almost surely, 2^17117672894 is an apocalyptic number.

17117672894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

17117672894 is a deficient number, since it is larger than the sum of its proper divisors (12270528034).

17117672894 is a wasteful number, since it uses less digits than its factorization.

17117672894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817459.

The product of its digits is 1185408, while the sum is 53.

The spelling of 17117672894 in words is "seventeen billion, one hundred seventeen million, six hundred seventy-two thousand, eight hundred ninety-four".