8117783406 has 12 divisors (see below), whose sum is σ = 17588530752. Its totient is φ = 2705927796.

The previous prime is 8117783381. The next prime is 8117783413. The reversal of 8117783406 is 6043877118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225493966 + ... + 225494001.

It is an arithmetic number, because the mean of its divisors is an integer number (1465710896).

Almost surely, 2^8117783406 is an apocalyptic number.

8117783406 is an abundant number, since it is smaller than the sum of its proper divisors (9470747346).

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

8117783406 is a wasteful number, since it uses less digits than its factorization.

8117783406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450987975 (or 450987972 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 8117783406 is about 90098.7425328456. The cubic root of 8117783406 is about 2009.7675041100.

The spelling of 8117783406 in words is "eight billion, one hundred seventeen million, seven hundred eighty-three thousand, four hundred six".