9719797120 has 64 divisors (see below), whose sum is σ = 25348807440. Its totient is φ = 3534469120.

The previous prime is 9719797097. The next prime is 9719797127. The reversal of 9719797120 is 217979179.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9719797127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683287 + ... + 697366.

Almost surely, 2^9719797120 is an apocalyptic number.

It is an amenable number.

9719797120 is an abundant number, since it is smaller than the sum of its proper divisors (15629010320).

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

9719797120 is a wasteful number, since it uses less digits than its factorization.

9719797120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380683 (or 1380671 counting only the distinct ones).

The product of its (nonzero) digits is 500094, while the sum is 52.

The square root of 9719797120 is about 98589.0314385936. The cubic root of 9719797120 is about 2134.1211343909.

The spelling of 9719797120 in words is "nine billion, seven hundred nineteen million, seven hundred ninety-seven thousand, one hundred twenty".