9887845137 has 8 divisors (see below), whose sum is σ = 13184672736. Its totient is φ = 6591457152.

The previous prime is 9887845117. The next prime is 9887845181. The reversal of 9887845137 is 7315487889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9887845137 - 2⁸ = 9887844881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9887845117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53248 + ... + 150369.

It is an arithmetic number, because the mean of its divisors is an integer number (1648084092).

Almost surely, 2^9887845137 is an apocalyptic number.

It is an amenable number.

9887845137 is a deficient number, since it is larger than the sum of its proper divisors (3296827599).

9887845137 is a wasteful number, since it uses less digits than its factorization.

9887845137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219807.

The product of its digits is 13547520, while the sum is 60.

The square root of 9887845137 is about 99437.6444662684. The cubic root of 9887845137 is about 2146.3500456209.

The spelling of 9887845137 in words is "nine billion, eight hundred eighty-seven million, eight hundred forty-five thousand, one hundred thirty-seven".