9882995891 has 4 divisors (see below), whose sum is σ = 9883229400. Its totient is φ = 9882762384.

The previous prime is 9882995861. The next prime is 9882995911. The reversal of 9882995891 is 1985992889.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9882995891 - 2¹⁴ = 9882979507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9882995861) 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, 33461 + ... + 144518.

It is an arithmetic number, because the mean of its divisors is an integer number (2470807350).

Almost surely, 2^9882995891 is an apocalyptic number.

9882995891 is a deficient number, since it is larger than the sum of its proper divisors (233509).

9882995891 is a wasteful number, since it uses less digits than its factorization.

9882995891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233508.

The product of its digits is 33592320, while the sum is 68.

The square root of 9882995891 is about 99413.2581248598. The cubic root of 9882995891 is about 2145.9991137050. Note that the first 3 decimals are identical.

The spelling of 9882995891 in words is "nine billion, eight hundred eighty-two million, nine hundred ninety-five thousand, eight hundred ninety-one".