9862674721 has 9 divisors (see below), whose sum is σ = 10081754931. Its totient is φ = 9648262272.

The previous prime is 9862674719. The next prime is 9862674727. The reversal of 9862674721 is 1274762689.

The square root of 9862674721 is 99311.

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

9862674721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9333025 + 9853341696 = 3055^2 + 99264^2 .

It is not a de Polignac number, because 9862674721 - 2¹ = 9862674719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9862674727) 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 8 ways as a sum of consecutive naturals, for example, 4666561 + ... + 4668673.

Almost surely, 2^9862674721 is an apocalyptic number.

9862674721 is the 99311-st square number.

9862674721 is the 49656-th centered octagonal number.

It is an amenable number.

9862674721 is a deficient number, since it is larger than the sum of its proper divisors (219080210).

9862674721 is an frugal number, since it uses more digits than its factorization.

9862674721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320 (or 2160 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The cubic root of 9862674721 is about 2144.5272544674.

The spelling of 9862674721 in words is "nine billion, eight hundred sixty-two million, six hundred seventy-four thousand, seven hundred twenty-one".