9872287775 has 24 divisors (see below), whose sum is σ = 14006541024. Its totient is φ = 6761779200.

The previous prime is 9872287751. The next prime is 9872287781. The reversal of 9872287775 is 5777822789.

9872287775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9872287775 - 2²² = 9868093471 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 122159 + ... + 186191.

It is an arithmetic number, because the mean of its divisors is an integer number (583605876).

Almost surely, 2^9872287775 is an apocalyptic number.

9872287775 is a deficient number, since it is larger than the sum of its proper divisors (4134253249).

9872287775 is a wasteful number, since it uses less digits than its factorization.

9872287775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64931 (or 64926 counting only the distinct ones).

The product of its digits is 27659520, while the sum is 62.

The square root of 9872287775 is about 99359.3869495983. The cubic root of 9872287775 is about 2145.2237782339.

The spelling of 9872287775 in words is "nine billion, eight hundred seventy-two million, two hundred eighty-seven thousand, seven hundred seventy-five".