9297737897 has 6 divisors (see below), whose sum is σ = 10815735978. Its totient is φ = 7969489584.

The previous prime is 9297737893. The next prime is 9297737927. The reversal of 9297737897 is 7987377929.

It can be written as a sum of positive squares in only one way, i.e., 6819291241 + 2478446656 = 82579^2 + 49784^2 .

It is not a de Polignac number, because 9297737897 - 2² = 9297737893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9297737893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94874828 + ... + 94874925.

It is an arithmetic number, because the mean of its divisors is an integer number (1802622663).

Almost surely, 2^9297737897 is an apocalyptic number.

It is an amenable number.

9297737897 is a deficient number, since it is larger than the sum of its proper divisors (1517998081).

9297737897 is a wasteful number, since it uses less digits than its factorization.

9297737897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189749767 (or 189749760 counting only the distinct ones).

The product of its digits is 84015792, while the sum is 68.

The square root of 9297737897 is about 96424.7784389469. The cubic root of 9297737897 is about 2102.7731991445.

The spelling of 9297737897 in words is "nine billion, two hundred ninety-seven million, seven hundred thirty-seven thousand, eight hundred ninety-seven".