1713368778 has 64 divisors (see below), whose sum is σ = 3875713920. Its totient is φ = 500192000.

The previous prime is 1713368753. The next prime is 1713368779. The reversal of 1713368778 is 8778633171.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1713368778.

It is not an unprimeable number, because it can be changed into a prime (1713368779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1341076 + ... + 1342352.

It is an arithmetic number, because the mean of its divisors is an integer number (60558030).

Almost surely, 2^1713368778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1713368778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1937856960).

1713368778 is an abundant number, since it is smaller than the sum of its proper divisors (2162345142).

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

1713368778 is a wasteful number, since it uses less digits than its factorization.

1713368778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023.

The product of its digits is 1185408, while the sum is 51.

The square root of 1713368778 is about 41392.8590218168. The cubic root of 1713368778 is about 1196.6035388350.

The spelling of 1713368778 in words is "one billion, seven hundred thirteen million, three hundred sixty-eight thousand, seven hundred seventy-eight".