9897039320 has 64 divisors (see below), whose sum is σ = 25808025600. Its totient is φ = 3345471360.

The previous prime is 9897039289. The next prime is 9897039349. The reversal of 9897039320 is 239307989.

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, 229040 + ... + 268799.

It is an arithmetic number, because the mean of its divisors is an integer number (403250400).

Almost surely, 2^9897039320 is an apocalyptic number.

It is an amenable number.

9897039320 is an abundant number, since it is smaller than the sum of its proper divisors (15910986280).

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

9897039320 is a wasteful number, since it uses less digits than its factorization.

9897039320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497928 (or 497924 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 9897039320 is about 99483.8646213546. The cubic root of 9897039320 is about 2147.0150985714.

The spelling of 9897039320 in words is "nine billion, eight hundred ninety-seven million, thirty-nine thousand, three hundred twenty".