8669959680 has 80 divisors (see below), whose sum is σ = 27716801904. Its totient is φ = 2311987200.

The previous prime is 8669959679. The next prime is 8669959681. The reversal of 8669959680 is 869599668.

It is an interprime number because it is at equal distance from previous prime (8669959679) and next prime (8669959681).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8669959681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556771 + ... + 572130.

Almost surely, 2^8669959680 is an apocalyptic number.

8669959680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8669959680 is an abundant number, since it is smaller than the sum of its proper divisors (19046842224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8669959680 is a wasteful number, since it uses less digits than its factorization.

8669959680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128927 (or 1128911 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 66.

The square root of 8669959680 is about 93112.6182641214. The cubic root of 8669959680 is about 2054.3401744984.

The spelling of 8669959680 in words is "eight billion, six hundred sixty-nine million, nine hundred fifty-nine thousand, six hundred eighty".