3713189778 has 12 divisors (see below), whose sum is σ = 8045244558. Its totient is φ = 1237729920.

The previous prime is 3713189731. The next prime is 3713189807. The reversal of 3713189778 is 8779813173.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2829495249 + 883694529 = 53193^2 + 29727^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103144143 + ... + 103144178.

Almost surely, 2^3713189778 is an apocalyptic number.

3713189778 is an abundant number, since it is smaller than the sum of its proper divisors (4332054780).

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

3713189778 is a wasteful number, since it uses less digits than its factorization.

3713189778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206288329 (or 206288326 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 54.

The square root of 3713189778 is about 60935.9481587019. The cubic root of 3713189778 is about 1548.5160654430.

The spelling of 3713189778 in words is "three billion, seven hundred thirteen million, one hundred eighty-nine thousand, seven hundred seventy-eight".