9875881 has 8 divisors (see below), whose sum is σ = 10038024. Its totient is φ = 9715200.

The previous prime is 9875821. The next prime is 9875893. The reversal of 9875881 is 1885789.

9875881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1946025 + 7929856 = 1395^2 + 2816^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 9875881 - 2⁷ = 9875753 is a prime.

It is a super-2 number, since 2×9875881² = 195066051052322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9875821) 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, 27801 + ... + 28153.

It is an arithmetic number, because the mean of its divisors is an integer number (1254753).

Almost surely, 2^9875881 is an apocalyptic number.

It is an amenable number.

9875881 is a deficient number, since it is larger than the sum of its proper divisors (162143).

9875881 is a wasteful number, since it uses less digits than its factorization.

9875881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731.

The product of its digits is 161280, while the sum is 46.

The square root of 9875881 is about 3142.5914465613. The cubic root of 9875881 is about 214.5484012973.

The spelling of 9875881 in words is "nine million, eight hundred seventy-five thousand, eight hundred eighty-one".