3386778443 has 4 divisors (see below), whose sum is σ = 3565029960. Its totient is φ = 3208526928.

The previous prime is 3386778431. The next prime is 3386778457. The reversal of 3386778443 is 3448776833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3448776833 = 53 ⋅65071261.

It is a cyclic number.

It is not a de Polignac number, because 3386778443 - 2¹⁶ = 3386712907 is a prime.

It is a super-2 number, since 2×3386778443² = 22940536443939008498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3386708443) 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 3 ways as a sum of consecutive naturals, for example, 89125730 + ... + 89125767.

It is an arithmetic number, because the mean of its divisors is an integer number (891257490).

Almost surely, 2^3386778443 is an apocalyptic number.

3386778443 is a deficient number, since it is larger than the sum of its proper divisors (178251517).

3386778443 is a wasteful number, since it uses less digits than its factorization.

3386778443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178251516.

The product of its digits is 8128512, while the sum is 53.

The square root of 3386778443 is about 58196.0345985876. The cubic root of 3386778443 is about 1501.7429285342.

The spelling of 3386778443 in words is "three billion, three hundred eighty-six million, seven hundred seventy-eight thousand, four hundred forty-three".