9876543216 has 80 divisors (see below), whose sum is σ = 27364141440. Its totient is φ = 3060046080.

The previous prime is 9876543211. The next prime is 9876543217. The reversal of 9876543216 is 6123456789.

It is a super-2 number, since 2×9876543216² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9876543211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53830 + ... + 150501.

It is an arithmetic number, because the mean of its divisors is an integer number (342051768).

Almost surely, 2^9876543216 is an apocalyptic number.

It is an amenable number.

9876543216 is an abundant number, since it is smaller than the sum of its proper divisors (17487598224).

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

9876543216 is a wasteful number, since it uses less digits than its factorization.

9876543216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204414 (or 204408 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 9876543216 is about 99380.7990307987. The cubic root of 9876543216 is about 2145.5319662337.

The spelling of 9876543216 in words is "nine billion, eight hundred seventy-six million, five hundred forty-three thousand, two hundred sixteen".