8688405408 has 48 divisors (see below), whose sum is σ = 22823450496. Its totient is φ = 2894054400.

The previous prime is 8688405391. The next prime is 8688405419. The reversal of 8688405408 is 8045048868.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104808 + ... + 168408.

It is an arithmetic number, because the mean of its divisors is an integer number (475488552).

Almost surely, 2^8688405408 is an apocalyptic number.

It is an amenable number.

8688405408 is an abundant number, since it is smaller than the sum of its proper divisors (14135045088).

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

8688405408 is a wasteful number, since it uses less digits than its factorization.

8688405408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65037 (or 65029 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 51.

The square root of 8688405408 is about 93211.6162717931. The cubic root of 8688405408 is about 2055.7960427918.

The spelling of 8688405408 in words is "eight billion, six hundred eighty-eight million, four hundred five thousand, four hundred eight".