3287378443 has 4 divisors (see below), whose sum is σ = 3297749040. Its totient is φ = 3277007848.

The previous prime is 3287378429. The next prime is 3287378449. The reversal of 3287378443 is 3448737823.

3287378443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3448737823 = 19 ⋅181512517.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3287378443 is a prime.

It is a super-2 number, since 2×3287378443² = 21613714055002208498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3287378449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5184823 + ... + 5185456.

It is an arithmetic number, because the mean of its divisors is an integer number (824437260).

Almost surely, 2^3287378443 is an apocalyptic number.

3287378443 is a deficient number, since it is larger than the sum of its proper divisors (10370597).

3287378443 is a wasteful number, since it uses less digits than its factorization.

3287378443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370596.

The product of its digits is 2709504, while the sum is 49.

The square root of 3287378443 is about 57335.6646686859. The cubic root of 3287378443 is about 1486.9050426534.

The spelling of 3287378443 in words is "three billion, two hundred eighty-seven million, three hundred seventy-eight thousand, four hundred forty-three".