8760066787081 has 27 divisors (see below), whose sum is σ = 9076407150279. Its totient is φ = 8454583039248.

The previous prime is 8760066787061. The next prime is 8760066787111. The reversal of 8760066787081 is 1807876600678.

The square root of 8760066787081 is 2959741.

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

It can be written as a sum of positive squares in only one way, i.e., 7838628060025 + 921438727056 = 2799755^2 + 959916^2 .

It is not a de Polignac number, because 8760066787081 - 2¹⁹ = 8760066262793 is a prime.

It is a super-2 number, since 2×8760066787081² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8760066787061) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 18288239400 + ... + 18288239878.

Almost surely, 2^{8760066787081} is an apocalyptic number.

8760066787081 is the 2959741-st square number.

8760066787081 is the 1479871-st centered octagonal number.

It is an amenable number.

8760066787081 is a deficient number, since it is larger than the sum of its proper divisors (316340363198).

8760066787081 is an frugal number, since it uses more digits than its factorization.

8760066787081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 37933056, while the sum is 64.

Multiplying 8760066787081 by its sum of digits (64), we get a square (560644274373184 = 23677928²).

The spelling of 8760066787081 in words is "eight trillion, seven hundred sixty billion, sixty-six million, seven hundred eighty-seven thousand, eighty-one".