8420488143 has 4 divisors (see below), whose sum is σ = 11227317528. Its totient is φ = 5613658760.

The previous prime is 8420488133. The next prime is 8420488147. The reversal of 8420488143 is 3418840248.

8420488143 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 8420488143 - 2⁹ = 8420487631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8420488095 and 8420488104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8420488147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403414688 + ... + 1403414693.

It is an arithmetic number, because the mean of its divisors is an integer number (2806829382).

Almost surely, 2^8420488143 is an apocalyptic number.

8420488143 is a deficient number, since it is larger than the sum of its proper divisors (2806829385).

8420488143 is a wasteful number, since it uses less digits than its factorization.

8420488143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806829384.

The product of its (nonzero) digits is 196608, while the sum is 42.

The square root of 8420488143 is about 91763.2178108418. The cubic root of 8420488143 is about 2034.4440760413. Note that the first 3 decimals are identical.

The spelling of 8420488143 in words is "eight billion, four hundred twenty million, four hundred eighty-eight thousand, one hundred forty-three".