9797039616 has 960 divisors, whose sum is σ = 37617592320. Its totient is φ = 2229534720.

The previous prime is 9797039587. The next prime is 9797039653. The reversal of 9797039616 is 6169307979.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 316033521 + ... + 316033551.

It is an arithmetic number, because the mean of its divisors is an integer number (39184992).

Almost surely, 2^9797039616 is an apocalyptic number.

9797039616 is a gapful number since it is divisible by the number (96) 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 9797039616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18808796160).

9797039616 is an abundant number, since it is smaller than the sum of its proper divisors (27820552704).

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

9797039616 is a wasteful number, since it uses less digits than its factorization.

9797039616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 3857868, while the sum is 57.

The square root of 9797039616 is about 98979.9960396039. The cubic root of 9797039616 is about 2139.7594582169.

The spelling of 9797039616 in words is "nine billion, seven hundred ninety-seven million, thirty-nine thousand, six hundred sixteen".