9889875590 has 32 divisors (see below), whose sum is σ = 20689724160. Its totient is φ = 3333341664.

The previous prime is 9889875587. The next prime is 9889875607. The reversal of 9889875590 is 955789889.

9889875590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9889875590.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1193192 + ... + 1201451.

It is an arithmetic number, because the mean of its divisors is an integer number (646553880).

Almost surely, 2^9889875590 is an apocalyptic number.

9889875590 is an abundant number, since it is smaller than the sum of its proper divisors (10799848570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9889875590 is a wasteful number, since it uses less digits than its factorization.

9889875590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394716.

The product of its (nonzero) digits is 65318400, while the sum is 68.

The square root of 9889875590 is about 99447.8536218857. The cubic root of 9889875590 is about 2146.4969520687.

The spelling of 9889875590 in words is "nine billion, eight hundred eighty-nine million, eight hundred seventy-five thousand, five hundred ninety".