8420840483 has 6 divisors (see below), whose sum is σ = 9255965292. Its totient is φ = 7655309420.

The previous prime is 8420840459. The next prime is 8420840497. The reversal of 8420840483 is 3840480248.

It is a de Polignac number, because none of the positive numbers 2^k-8420840483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8420840483.

It is not an unprimeable number, because it can be changed into a prime (8420840083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34796741 + ... + 34796982.

It is an arithmetic number, because the mean of its divisors is an integer number (1542660882).

Almost surely, 2^8420840483 is an apocalyptic number.

8420840483 is a deficient number, since it is larger than the sum of its proper divisors (835124809).

8420840483 is a wasteful number, since it uses less digits than its factorization.

8420840483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69593745 (or 69593734 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 41.

The square root of 8420840483 is about 91765.1376231736. The cubic root of 8420840483 is about 2034.4724515154.

The spelling of 8420840483 in words is "eight billion, four hundred twenty million, eight hundred forty thousand, four hundred eighty-three".