5143788378 has 24 divisors (see below), whose sum is σ = 11155703988. Its totient is φ = 1712930112.

The previous prime is 5143788347. The next prime is 5143788389. The reversal of 5143788378 is 8738873415.

It can be written as a sum of positive squares in 2 ways, for example, as 5132719449 + 11068929 = 71643^2 + 3327^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119725 + ... + 156912.

Almost surely, 2^5143788378 is an apocalyptic number.

5143788378 is an abundant number, since it is smaller than the sum of its proper divisors (6011915610).

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

5143788378 is a wasteful number, since it uses less digits than its factorization.

5143788378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277678 (or 277675 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 5143788378 is about 71720.2089930028. The cubic root of 5143788378 is about 1726.2129258908.

The spelling of 5143788378 in words is "five billion, one hundred forty-three million, seven hundred eighty-eight thousand, three hundred seventy-eight".