9897024830 has 32 divisors (see below), whose sum is σ = 22210467840. Its totient is φ = 3084786720.

The previous prime is 9897024811. The next prime is 9897024833. The reversal of 9897024830 is 384207989.

It is a happy number.

It is a super-2 number, since 2×9897024830² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9897024833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6425870 + ... + 6427409.

It is an arithmetic number, because the mean of its divisors is an integer number (694077120).

Almost surely, 2^9897024830 is an apocalyptic number.

9897024830 is an abundant number, since it is smaller than the sum of its proper divisors (12313443010).

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

9897024830 is a wasteful number, since it uses less digits than its factorization.

9897024830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12853304.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 9897024830 is about 99483.7917954478. The cubic root of 9897024830 is about 2147.0140507744.

The spelling of 9897024830 in words is "nine billion, eight hundred ninety-seven million, twenty-four thousand, eight hundred thirty".