8669611881 has 24 divisors (see below), whose sum is σ = 14933992320. Its totient is φ = 4738669056.

The previous prime is 8669611879. The next prime is 8669611891. The reversal of 8669611881 is 1881169668.

It is not a de Polignac number, because 8669611881 - 2¹ = 8669611879 is a prime.

It is a super-2 number, since 2×8669611881² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8669611831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2990136 + ... + 2993033.

It is an arithmetic number, because the mean of its divisors is an integer number (622249680).

Almost surely, 2^8669611881 is an apocalyptic number.

It is an amenable number.

8669611881 is a deficient number, since it is larger than the sum of its proper divisors (6264380439).

8669611881 is a wasteful number, since it uses less digits than its factorization.

8669611881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5983205 (or 5983202 counting only the distinct ones).

The product of its digits is 995328, while the sum is 54.

The square root of 8669611881 is about 93110.7506198935. The cubic root of 8669611881 is about 2054.3127038972.

The spelling of 8669611881 in words is "eight billion, six hundred sixty-nine million, six hundred eleven thousand, eight hundred eighty-one".