8703210681 has 45 divisors (see below), whose sum is σ = 13882365055. Its totient is φ = 5254149120.

The previous prime is 8703210679. The next prime is 8703210683. The reversal of 8703210681 is 1860123078.

The square root of 8703210681 is 93291.

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

It is an interprime number because it is at equal distance from previous prime (8703210679) and next prime (8703210683).

It can be written as a sum of positive squares in only one way, i.e., 8568279225 + 134931456 = 92565^2 + 11616^2 .

It is not a de Polignac number, because 8703210681 - 2¹ = 8703210679 is a prime.

It is a super-2 number, since 2×8703210681² (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 (8703210683) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 33864505 + ... + 33864761.

Almost surely, 2^8703210681 is an apocalyptic number.

8703210681 is the 93291-st square number.

8703210681 is the 46646-th centered octagonal number.

It is an amenable number.

8703210681 is a deficient number, since it is larger than the sum of its proper divisors (5179154374).

8703210681 is an frugal number, since it uses more digits than its factorization.

8703210681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The cubic root of 8703210681 is about 2056.9630904565.

Multiplying 8703210681 by its sum of digits (36), we get a square (313315584516 = 559746²).

The spelling of 8703210681 in words is "eight billion, seven hundred three million, two hundred ten thousand, six hundred eighty-one".