3394778367017 has 8 divisors (see below), whose sum is σ = 3403359958152. Its totient is φ = 3386202048000.

The previous prime is 3394778366957. The next prime is 3394778367041. The reversal of 3394778367017 is 7107638774933.

It can be written as a sum of positive squares in 4 ways, for example, as 335413564201 + 3059364802816 = 579149^2 + 1749104^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3394778367017 - 2⁶ = 3394778366953 is a prime.

It is a super-2 number, since 2×3394778367017² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3394778367077) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 26984 + ... + 2605817.

It is an arithmetic number, because the mean of its divisors is an integer number (425419994769).

Almost surely, 2^{3394778367017} is an apocalyptic number.

It is an amenable number.

3394778367017 is a deficient number, since it is larger than the sum of its proper divisors (8581591135).

3394778367017 is a wasteful number, since it uses less digits than its factorization.

3394778367017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636059.

The product of its (nonzero) digits is 112021056, while the sum is 65.

The spelling of 3394778367017 in words is "three trillion, three hundred ninety-four billion, seven hundred seventy-eight million, three hundred sixty-seven thousand, seventeen".