8489672831 has 16 divisors (see below), whose sum is σ = 9018626400. Its totient is φ = 7977446400.

The previous prime is 8489672801. The next prime is 8489672843. The reversal of 8489672831 is 1382769848.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8489672831 is a prime.

It is a super-2 number, since 2×8489672831² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8489672801) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 489671 + ... + 506711.

It is an arithmetic number, because the mean of its divisors is an integer number (563664150).

Almost surely, 2^8489672831 is an apocalyptic number.

8489672831 is a deficient number, since it is larger than the sum of its proper divisors (528953569).

8489672831 is a wasteful number, since it uses less digits than its factorization.

8489672831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17530.

The product of its digits is 4644864, while the sum is 56.

The square root of 8489672831 is about 92139.4206135463. The cubic root of 8489672831 is about 2040.0007073399. Note that the first 3 decimals are identical.

The spelling of 8489672831 in words is "eight billion, four hundred eighty-nine million, six hundred seventy-two thousand, eight hundred thirty-one".