8685264321880 has 64 divisors (see below), whose sum is σ = 19554891344640. Its totient is φ = 3471787049472.

The previous prime is 8685264321857. The next prime is 8685264321883. The reversal of 8685264321880 is 881234625868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8685264321883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 743786602 + ... + 743798278.

It is an arithmetic number, because the mean of its divisors is an integer number (305545177260).

Almost surely, 2^{8685264321880} is an apocalyptic number.

It is an amenable number.

8685264321880 is an abundant number, since it is smaller than the sum of its proper divisors (10869627022760).

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

8685264321880 is a wasteful number, since it uses less digits than its factorization.

8685264321880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22508 (or 22504 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 61.

The spelling of 8685264321880 in words is "eight trillion, six hundred eighty-five billion, two hundred sixty-four million, three hundred twenty-one thousand, eight hundred eighty".