9871715216 has 40 divisors (see below), whose sum is σ = 20882544384. Its totient is φ = 4483416960.

The previous prime is 9871715149. The next prime is 9871715267. The reversal of 9871715216 is 6125171789.

It is a super-2 number, since 2×9871715216² (a number of 21 digits) contains 22 as substring.

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, 195041 + ... + 240383.

Almost surely, 2^9871715216 is an apocalyptic number.

It is an amenable number.

9871715216 is an abundant number, since it is smaller than the sum of its proper divisors (11010829168).

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

9871715216 is a wasteful number, since it uses less digits than its factorization.

9871715216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46599 (or 46593 counting only the distinct ones).

The product of its digits is 211680, while the sum is 47.

The square root of 9871715216 is about 99356.5056551407. The cubic root of 9871715216 is about 2145.1823055460.

The spelling of 9871715216 in words is "nine billion, eight hundred seventy-one million, seven hundred fifteen thousand, two hundred sixteen".