3878240543 has 2 divisors, whose sum is σ = 3878240544. Its totient is φ = 3878240542.

The previous prime is 3878240539. The next prime is 3878240567. The reversal of 3878240543 is 3450428783.

3878240543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3878240543 - 2² = 3878240539 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 3878240494 and 3878240503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3878240503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939120271 + 1939120272.

It is an arithmetic number, because the mean of its divisors is an integer number (1939120272).

Almost surely, 2^3878240543 is an apocalyptic number.

3878240543 is a deficient number, since it is larger than the sum of its proper divisors (1).

3878240543 is an equidigital number, since it uses as much as digits as its factorization.

3878240543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 44.

The square root of 3878240543 is about 62275.5212182122. The cubic root of 3878240543 is about 1571.1280441623.

It can be divided in two parts, 3878240 and 543, that added together give a palindrome (3878783).

The spelling of 3878240543 in words is "three billion, eight hundred seventy-eight million, two hundred forty thousand, five hundred forty-three".