9883399680 has 800 divisors, whose sum is σ = 44205384960. Its totient is φ = 2050375680.

The previous prime is 9883399649. The next prime is 9883399681. The reversal of 9883399680 is 869933889.

9883399680 is a `hidden beast` number, since 98 + 83 + 399 + 6 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9883399681) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15966411 + ... + 15967029.

Almost surely, 2^9883399680 is an apocalyptic number.

9883399680 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9883399680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22102692480).

9883399680 is an abundant number, since it is smaller than the sum of its proper divisors (34321985280).

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

9883399680 is a wasteful number, since it uses less digits than its factorization.

9883399680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The square root of 9883399680 is about 99415.2889650279. The cubic root of 9883399680 is about 2146.0283396282.

The spelling of 9883399680 in words is "nine billion, eight hundred eighty-three million, three hundred ninety-nine thousand, six hundred eighty".