9797765712 has 80 divisors (see below), whose sum is σ = 29472577920. Its totient is φ = 2746538496.

The previous prime is 9797765711. The next prime is 9797765713. The reversal of 9797765712 is 2175677979.

It is an interprime number because it is at equal distance from previous prime (9797765711) and next prime (9797765713).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9797765711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257287 + ... + 292902.

It is an arithmetic number, because the mean of its divisors is an integer number (368407224).

Almost surely, 2^9797765712 is an apocalyptic number.

It is an amenable number.

9797765712 is an abundant number, since it is smaller than the sum of its proper divisors (19674812208).

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

9797765712 is a wasteful number, since it uses less digits than its factorization.

9797765712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550260 (or 550254 counting only the distinct ones).

The product of its digits is 11668860, while the sum is 60.

The square root of 9797765712 is about 98983.6638642963. The cubic root of 9797765712 is about 2139.8123188246.

The spelling of 9797765712 in words is "nine billion, seven hundred ninety-seven million, seven hundred sixty-five thousand, seven hundred twelve".