9880717938 has 64 divisors (see below), whose sum is σ = 24351237120. Its totient is φ = 2602746432.

The previous prime is 9880717937. The next prime is 9880717981. The reversal of 9880717938 is 8397170889.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9880717937) by changing a digit.

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, 458481 + ... + 479547.

It is an arithmetic number, because the mean of its divisors is an integer number (380488080).

Almost surely, 2^9880717938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9880717938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12175618560).

9880717938 is an abundant number, since it is smaller than the sum of its proper divisors (14470519182).

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

9880717938 is a wasteful number, since it uses less digits than its factorization.

9880717938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21951.

The product of its (nonzero) digits is 6096384, while the sum is 60.

The square root of 9880717938 is about 99401.8004766513. The cubic root of 9880717938 is about 2145.8342223837.

The spelling of 9880717938 in words is "nine billion, eight hundred eighty million, seven hundred seventeen thousand, nine hundred thirty-eight".