9697758343920 has 320 divisors, whose sum is σ = 34494843617280. Its totient is φ = 2501636659200.

The previous prime is 9697758343913. The next prime is 9697758344003. The reversal of 9697758343920 is 293438577969.

9697758343920 is a `hidden beast` number, since 9 + 6 + 9 + 7 + 7 + 583 + 4 + 39 + 2 + 0 = 666.

It is a super-3 number, since 3×9697758343920³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173465412 + ... + 173521308.

It is an arithmetic number, because the mean of its divisors is an integer number (107796386304).

Almost surely, 2^{9697758343920} is an apocalyptic number.

9697758343920 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9697758343920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17247421808640).

9697758343920 is an abundant number, since it is smaller than the sum of its proper divisors (24797085273360).

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

9697758343920 is a wasteful number, since it uses less digits than its factorization.

9697758343920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58541 (or 58529 counting only the distinct ones).

The product of its (nonzero) digits is 617258880, while the sum is 72.

The spelling of 9697758343920 in words is "nine trillion, six hundred ninety-seven billion, seven hundred fifty-eight million, three hundred forty-three thousand, nine hundred twenty".