9897022952 has 8 divisors (see below), whose sum is σ = 18556918050. Its totient is φ = 4948511472.

The previous prime is 9897022951. The next prime is 9897022963. The reversal of 9897022952 is 2592207989.

9897022952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9708949156 + 188073796 = 98534^2 + 13714^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 9897022894 and 9897022903.

It is not an unprimeable number, because it can be changed into a prime (9897022951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 618563927 + ... + 618563942.

Almost surely, 2^9897022952 is an apocalyptic number.

It is an amenable number.

9897022952 is a deficient number, since it is larger than the sum of its proper divisors (8659895098).

9897022952 is a wasteful number, since it uses less digits than its factorization.

9897022952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237127875 (or 1237127871 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 9897022952 is about 99483.7823567239. The cubic root of 9897022952 is about 2147.0139149729.

The spelling of 9897022952 in words is "nine billion, eight hundred ninety-seven million, twenty-two thousand, nine hundred fifty-two".