9876489792 has 168 divisors, whose sum is σ = 28835201664. Its totient is φ = 2981062656.

The previous prime is 9876489773. The next prime is 9876489811. The reversal of 9876489792 is 2979846789.

It is an interprime number because it is at equal distance from previous prime (9876489773) and next prime (9876489811).

It is a super-2 number, since 2×9876489792² (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 23 ways as a sum of consecutive naturals, for example, 1716873 + ... + 1722615.

Almost surely, 2^9876489792 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 9876489792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14417600832).

9876489792 is an abundant number, since it is smaller than the sum of its proper divisors (18958711872).

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

9876489792 is a wasteful number, since it uses less digits than its factorization.

9876489792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837 (or 5814 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 69.

The square root of 9876489792 is about 99380.5302461201. The cubic root of 9876489792 is about 2145.5280977039.

The spelling of 9876489792 in words is "nine billion, eight hundred seventy-six million, four hundred eighty-nine thousand, seven hundred ninety-two".