9897763 has 4 divisors (see below), whose sum is σ = 9915048. Its totient is φ = 9880480.

The previous prime is 9897761. The next prime is 9897793. The reversal of 9897763 is 3677989.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9897763 - 2¹ = 9897761 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9897761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7753 + ... + 8938.

It is an arithmetic number, because the mean of its divisors is an integer number (2478762).

Almost surely, 2^9897763 is an apocalyptic number.

9897763 is a deficient number, since it is larger than the sum of its proper divisors (17285).

9897763 is a wasteful number, since it uses less digits than its factorization.

9897763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17284.

The product of its digits is 571536, while the sum is 49.

The square root of 9897763 is about 3146.0710417917. The cubic root of 9897763 is about 214.7067427824.

The spelling of 9897763 in words is "nine million, eight hundred ninety-seven thousand, seven hundred sixty-three".