8207317872 has 200 divisors, whose sum is σ = 25743623136. Its totient is φ = 2509346304.

The previous prime is 8207317871. The next prime is 8207317879. The reversal of 8207317872 is 2787137028.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8207317871) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2812158 + ... + 2815074.

Almost surely, 2^8207317872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8207317872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12871811568).

8207317872 is an abundant number, since it is smaller than the sum of its proper divisors (17536305264).

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

8207317872 is a wasteful number, since it uses less digits than its factorization.

8207317872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117 (or 3102 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 8207317872 is about 90594.2485591663. The cubic root of 8207317872 is about 2017.1293629612.

The spelling of 8207317872 in words is "eight billion, two hundred seven million, three hundred seventeen thousand, eight hundred seventy-two".