5728144187 has 4 divisors (see below), whose sum is σ = 6029625480. Its totient is φ = 5426662896.

The previous prime is 5728144171. The next prime is 5728144189. The reversal of 5728144187 is 7814418275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5728144187 - 2⁴ = 5728144171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5728144189) 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, 150740618 + ... + 150740655.

It is an arithmetic number, because the mean of its divisors is an integer number (1507406370).

Almost surely, 2^5728144187 is an apocalyptic number.

5728144187 is a deficient number, since it is larger than the sum of its proper divisors (301481293).

5728144187 is a wasteful number, since it uses less digits than its factorization.

5728144187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301481292.

The product of its digits is 501760, while the sum is 47.

The square root of 5728144187 is about 75684.5042726713. The cubic root of 5728144187 is about 1789.2511861200.

The spelling of 5728144187 in words is "five billion, seven hundred twenty-eight million, one hundred forty-four thousand, one hundred eighty-seven".