9797449700 has 18 divisors (see below), whose sum is σ = 21260466066. Its totient is φ = 3918979840.

The previous prime is 9797449663. The next prime is 9797449703. The reversal of 9797449700 is 79447979.

It can be written as a sum of positive squares in 3 ways, for example, as 3329751616 + 6467698084 = 57704^2 + 80422^2 .

It is not an unprimeable number, because it can be changed into a prime (9797449703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48987149 + ... + 48987348.

Almost surely, 2^9797449700 is an apocalyptic number.

It is an amenable number.

9797449700 is an abundant number, since it is smaller than the sum of its proper divisors (11463016366).

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

9797449700 is a wasteful number, since it uses less digits than its factorization.

9797449700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97974511 (or 97974504 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 56.

The square root of 9797449700 is about 98982.0675678176. The cubic root of 9797449700 is about 2139.7893131156.

The spelling of 9797449700 in words is "nine billion, seven hundred ninety-seven million, four hundred forty-nine thousand, seven hundred".