9917796528 has 60 divisors (see below), whose sum is σ = 27762950488. Its totient is φ = 3305111040.

The previous prime is 9917796527. The next prime is 9917796541. The reversal of 9917796528 is 8256977199.

9917796528 is a `hidden beast` number, since 9 + 9 + 17 + 7 + 96 + 528 = 666.

It is not an unprimeable number, because it can be changed into a prime (9917796521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 927951 + ... + 938577.

Almost surely, 2^9917796528 is an apocalyptic number.

It is an amenable number.

9917796528 is an abundant number, since it is smaller than the sum of its proper divisors (17845153960).

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

9917796528 is a wasteful number, since it uses less digits than its factorization.

9917796528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17122 (or 17113 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 63.

The square root of 9917796528 is about 99588.1344739422. The cubic root of 9917796528 is about 2148.5150393602.

The spelling of 9917796528 in words is "nine billion, nine hundred seventeen million, seven hundred ninety-six thousand, five hundred twenty-eight".