9872882665 has 8 divisors (see below), whose sum is σ = 12070996488. Its totient is φ = 7749281280.

The previous prime is 9872882639. The next prime is 9872882681. The reversal of 9872882665 is 5662882789.

It can be written as a sum of positive squares in 4 ways, for example, as 3224763369 + 6648119296 = 56787^2 + 81536^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-9872882665 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18627816 + ... + 18628345.

It is an arithmetic number, because the mean of its divisors is an integer number (1508874561).

Almost surely, 2^9872882665 is an apocalyptic number.

It is an amenable number.

9872882665 is a deficient number, since it is larger than the sum of its proper divisors (2198113823).

9872882665 is a wasteful number, since it uses less digits than its factorization.

9872882665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37256219.

The product of its digits is 23224320, while the sum is 61.

The square root of 9872882665 is about 99362.3805320706. The cubic root of 9872882665 is about 2145.2668667448.

The spelling of 9872882665 in words is "nine billion, eight hundred seventy-two million, eight hundred eighty-two thousand, six hundred sixty-five".