8420083317 has 12 divisors (see below), whose sum is σ = 12691140384. Its totient is φ = 5369328360.

The previous prime is 8420083279. The next prime is 8420083327. The reversal of 8420083317 is 7133800248.

It is not a de Polignac number, because 8420083317 - 2¹¹ = 8420081269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8420083327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20338159 + ... + 20338572.

It is an arithmetic number, because the mean of its divisors is an integer number (1057595032).

Almost surely, 2^8420083317 is an apocalyptic number.

It is an amenable number.

8420083317 is a deficient number, since it is larger than the sum of its proper divisors (4271057067).

8420083317 is a wasteful number, since it uses less digits than its factorization.

8420083317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40676760 (or 40676757 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 8420083317 is about 91761.0119658671. The cubic root of 8420083317 is about 2034.4114726640.

The spelling of 8420083317 in words is "eight billion, four hundred twenty million, eighty-three thousand, three hundred seventeen".