8387405716 has 24 divisors (see below), whose sum is σ = 14725307520. Its totient is φ = 4180194432.

The previous prime is 8387405707. The next prime is 8387405731. The reversal of 8387405716 is 6175047838.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8387405716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3426405 + ... + 3428851.

It is an arithmetic number, because the mean of its divisors is an integer number (613554480).

Almost surely, 2^8387405716 is an apocalyptic number.

It is an amenable number.

8387405716 is a deficient number, since it is larger than the sum of its proper divisors (6337901804).

8387405716 is a wasteful number, since it uses less digits than its factorization.

8387405716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863 (or 4861 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The square root of 8387405716 is about 91582.7806740983. The cubic root of 8387405716 is about 2031.7762702014.

The spelling of 8387405716 in words is "eight billion, three hundred eighty-seven million, four hundred five thousand, seven hundred sixteen".