9885376489 has 4 divisors (see below), whose sum is σ = 9913701700. Its totient is φ = 9857051280.

The previous prime is 9885376481. The next prime is 9885376499. The reversal of 9885376489 is 9846735889.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8297752464 + 1587624025 = 91092^2 + 39845^2 .

It is a cyclic number.

It is not a de Polignac number, because 9885376489 - 2³ = 9885376481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9885376481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14162082 + ... + 14162779.

It is an arithmetic number, because the mean of its divisors is an integer number (2478425425).

Almost surely, 2^9885376489 is an apocalyptic number.

It is an amenable number.

9885376489 is a deficient number, since it is larger than the sum of its proper divisors (28325211).

9885376489 is a wasteful number, since it uses less digits than its factorization.

9885376489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28325210.

The product of its digits is 104509440, while the sum is 67.

The square root of 9885376489 is about 99425.2306459482. The cubic root of 9885376489 is about 2146.1714079875.

The spelling of 9885376489 in words is "nine billion, eight hundred eighty-five million, three hundred seventy-six thousand, four hundred eighty-nine".