9985831075 has 24 divisors (see below), whose sum is σ = 13679124480. Its totient is φ = 7170477600.

The previous prime is 9985831049. The next prime is 9985831081. The reversal of 9985831075 is 5701385899.

It is not a de Polignac number, because 9985831075 - 2¹³ = 9985822883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208099 + ... + 251548.

It is an arithmetic number, because the mean of its divisors is an integer number (569963520).

Almost surely, 2^9985831075 is an apocalyptic number.

9985831075 is a deficient number, since it is larger than the sum of its proper divisors (3693293405).

9985831075 is a wasteful number, since it uses less digits than its factorization.

9985831075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459747 (or 459742 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 55.

The square root of 9985831075 is about 99929.1302624015. The cubic root of 9985831075 is about 2153.4166749564.

The spelling of 9985831075 in words is "nine billion, nine hundred eighty-five million, eight hundred thirty-one thousand, seventy-five".