8087944489 has 9 divisors (see below), whose sum is σ = 8159160477. Its totient is φ = 8017347084.

The previous prime is 8087944477. The next prime is 8087944493. The reversal of 8087944489 is 9844497808.

The square root of 8087944489 is 89933.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-8087944489 is a prime.

It is a super-2 number, since 2×8087944489² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8087044489) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12500364 + ... + 12501010.

Almost surely, 2^8087944489 is an apocalyptic number.

8087944489 is the 89933-rd square number.

8087944489 is the 44967-th centered octagonal number.

It is an amenable number.

8087944489 is a deficient number, since it is larger than the sum of its proper divisors (71215988).

8087944489 is an frugal number, since it uses more digits than its factorization.

8087944489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 61.

The cubic root of 8087944489 is about 2007.3020152583.

It can be divided in two parts, 8087 and 944489, that added together give a square (952576 = 976²).

The spelling of 8087944489 in words is "eight billion, eighty-seven million, nine hundred forty-four thousand, four hundred eighty-nine".