9897522148 has 12 divisors (see below), whose sum is σ = 17879395072. Its totient is φ = 4789123560.

The previous prime is 9897522101. The next prime is 9897522181. The reversal of 9897522148 is 8412257989.

9897522148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 39909240 + ... + 39909487.

Almost surely, 2^9897522148 is an apocalyptic number.

It is an amenable number.

9897522148 is a deficient number, since it is larger than the sum of its proper divisors (7981872924).

9897522148 is a wasteful number, since it uses less digits than its factorization.

9897522148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79818762 (or 79818760 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 55.

The square root of 9897522148 is about 99486.2912566350. The cubic root of 9897522148 is about 2147.0500121152.

The spelling of 9897522148 in words is "nine billion, eight hundred ninety-seven million, five hundred twenty-two thousand, one hundred forty-eight".