9885755 has 32 divisors (see below), whose sum is σ = 13970880. Its totient is φ = 6635520.

The previous prime is 9885749. The next prime is 9885761. The reversal of 9885755 is 5575889.

9885755 = T₁₆ + T₁₇ + ... + T₃₈₉.

It is an interprime number because it is at equal distance from previous prime (9885749) and next prime (9885761).

It is not a de Polignac number, because 9885755 - 2¹⁶ = 9820219 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90641 + ... + 90749.

It is an arithmetic number, because the mean of its divisors is an integer number (436590).

Almost surely, 2^9885755 is an apocalyptic number.

9885755 is a deficient number, since it is larger than the sum of its proper divisors (4085125).

9885755 is a wasteful number, since it uses less digits than its factorization.

9885755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239.

The product of its digits is 504000, while the sum is 47.

The square root of 9885755 is about 3144.1620505311. The cubic root of 9885755 is about 214.6198799934.

The spelling of 9885755 in words is "nine million, eight hundred eighty-five thousand, seven hundred fifty-five".