9880111 has 4 divisors (see below), whose sum is σ = 10461312. Its totient is φ = 9298912.

The previous prime is 9880093. The next prime is 9880127. The reversal of 9880111 is 1110889.

9880111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1110889 = 13 ⋅85453.

It is a cyclic number.

It is not a de Polignac number, because 9880111 - 2⁷ = 9879983 is a prime.

It is a super-3 number, since 3×9880111³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9880111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9880811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290575 + ... + 290608.

It is an arithmetic number, because the mean of its divisors is an integer number (2615328).

Almost surely, 2^9880111 is an apocalyptic number.

9880111 is a deficient number, since it is larger than the sum of its proper divisors (581201).

9880111 is a wasteful number, since it uses less digits than its factorization.

9880111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581200.

The product of its (nonzero) digits is 576, while the sum is 28.

The square root of 9880111 is about 3143.2643859529. The cubic root of 9880111 is about 214.5790284450.

The spelling of 9880111 in words is "nine million, eight hundred eighty thousand, one hundred eleven".