9880202664 has 128 divisors (see below), whose sum is σ = 29469484800. Its totient is φ = 3055933440.

The previous prime is 9880202569. The next prime is 9880202671. The reversal of 9880202664 is 4662020889.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241764 + ... + 279660.

It is an arithmetic number, because the mean of its divisors is an integer number (230230350).

Almost surely, 2^9880202664 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 9880202664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14734742400).

9880202664 is an abundant number, since it is smaller than the sum of its proper divisors (19589282136).

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

9880202664 is a wasteful number, since it uses less digits than its factorization.

9880202664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38000 (or 37990 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 9880202664 is about 99399.2085682778. The cubic root of 9880202664 is about 2145.7969203776.

The spelling of 9880202664 in words is "nine billion, eight hundred eighty million, two hundred two thousand, six hundred sixty-four".