8766875513881 has 3 divisors (see below), whose sum is σ = 8766878474773. Its totient is φ = 8766872552990.

The previous prime is 8766875513857. The next prime is 8766875513971. The reversal of 8766875513881 is 1883155786678.

It is a happy number.

The square root of 8766875513881 is 2960891.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 8766875513881 - 2³⁵ = 8732515775513 is a prime.

It is a super-3 number, since 3×8766875513881³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8766875513831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1480446 + ... + 4441336.

Almost surely, 2^{8766875513881} is an apocalyptic number.

8766875513881 is the 2960891-st square number.

8766875513881 is the 1480446-th centered octagonal number.

It is an amenable number.

8766875513881 is a deficient number, since it is larger than the sum of its proper divisors (2960892).

8766875513881 is an frugal number, since it uses more digits than its factorization.

8766875513881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5921782 (or 2960891 counting only the distinct ones).

The product of its digits is 541900800, while the sum is 73.

The spelling of 8766875513881 in words is "eight trillion, seven hundred sixty-six billion, eight hundred seventy-five million, five hundred thirteen thousand, eight hundred eighty-one".