9797765 has 16 divisors (see below), whose sum is σ = 12144000. Its totient is φ = 7584192.

The previous prime is 9797731. The next prime is 9797771. The reversal of 9797765 is 5677979.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9797765 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42671 + ... + 42899.

It is an arithmetic number, because the mean of its divisors is an integer number (759000).

Almost surely, 2^9797765 is an apocalyptic number.

It is an amenable number.

9797765 is a deficient number, since it is larger than the sum of its proper divisors (2346235).

9797765 is a wasteful number, since it uses less digits than its factorization.

9797765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476.

The product of its digits is 833490, while the sum is 50.

The square root of 9797765 is about 3130.1381758638. The cubic root of 9797765 is about 213.9812266991.

The spelling of 9797765 in words is "nine million, seven hundred ninety-seven thousand, seven hundred sixty-five".