1713745779678 has 32 divisors (see below), whose sum is σ = 3808875359520. Its totient is φ = 571165882560.

The previous prime is 1713745779623. The next prime is 1713745779689. The reversal of 1713745779678 is 8769775473171.

It is a happy number.

1713745779678 is a `hidden beast` number, since 1 + 7 + 1 + 37 + 457 + 79 + 6 + 78 = 666.

It is a super-2 number, since 2×1713745779678² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1920543 + ... + 2667578.

It is an arithmetic number, because the mean of its divisors is an integer number (119027354985).

Almost surely, 2^{1713745779678} is an apocalyptic number.

1713745779678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1713745779678 is an abundant number, since it is smaller than the sum of its proper divisors (2095129579842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1713745779678 is a wasteful number, since it uses less digits than its factorization.

1713745779678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595049 (or 4595043 counting only the distinct ones).

The product of its digits is 435637440, while the sum is 72.

The spelling of 1713745779678 in words is "one trillion, seven hundred thirteen billion, seven hundred forty-five million, seven hundred seventy-nine thousand, six hundred seventy-eight".