9917695488 has 160 divisors (see below), whose sum is σ = 27401505120. Its totient is φ = 3185049600.

The previous prime is 9917695477. The next prime is 9917695493. The reversal of 9917695488 is 8845967199.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6193888 + ... + 6195488.

It is an arithmetic number, because the mean of its divisors is an integer number (171259407).

Almost surely, 2^9917695488 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 9917695488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13700752560).

9917695488 is an abundant number, since it is smaller than the sum of its proper divisors (17483809632).

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

9917695488 is a wasteful number, since it uses less digits than its factorization.

9917695488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 1752 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 66.

The square root of 9917695488 is about 99587.6271833002. The cubic root of 9917695488 is about 2148.5077431596.

The spelling of 9917695488 in words is "nine billion, nine hundred seventeen million, six hundred ninety-five thousand, four hundred eighty-eight".