9985284548 has 36 divisors (see below), whose sum is σ = 18464003712. Its totient is φ = 4724319600.

The previous prime is 9985284527. The next prime is 9985284557. The reversal of 9985284548 is 8454825899.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1392773 + ... + 1399923.

It is an arithmetic number, because the mean of its divisors is an integer number (512888992).

Almost surely, 2^9985284548 is an apocalyptic number.

It is an amenable number.

9985284548 is a deficient number, since it is larger than the sum of its proper divisors (8478719164).

9985284548 is a wasteful number, since it uses less digits than its factorization.

9985284548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8160 (or 8139 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 62.

The square root of 9985284548 is about 99926.3956519998. The cubic root of 9985284548 is about 2153.3773885643.

The spelling of 9985284548 in words is "nine billion, nine hundred eighty-five million, two hundred eighty-four thousand, five hundred forty-eight".