9872662789 has 16 divisors (see below), whose sum is σ = 11418624000. Its totient is φ = 8441575920.

The previous prime is 9872662777. The next prime is 9872662801.

9872662789 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (9872662777) and next prime (9872662801).

It is a cyclic number.

It is not a de Polignac number, because 9872662789 - 2⁷ = 9872662661 is a prime.

It is a super-3 number, since 3×9872662789³ (a number of 31 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 9872662789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9872662489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140869 + ... + 198970.

It is an arithmetic number, because the mean of its divisors is an integer number (713664000).

Almost surely, 2^9872662789 is an apocalyptic number.

It is an amenable number.

9872662789 is a deficient number, since it is larger than the sum of its proper divisors (1545961211).

9872662789 is a wasteful number, since it uses less digits than its factorization.

9872662789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340008.

The product of its digits is 36578304, while the sum is 64.

The square root of 9872662789 is about 99361.2740910663. The cubic root of 9872662789 is about 2145.2509410956.

The spelling of 9872662789 in words is "nine billion, eight hundred seventy-two million, six hundred sixty-two thousand, seven hundred eighty-nine".