13578576680 has 64 divisors (see below), whose sum is σ = 31156876800. Its totient is φ = 5324051200.

The previous prime is 13578576673. The next prime is 13578576703. The reversal of 13578576680 is 8667587531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3048455 + ... + 3052905.

It is an arithmetic number, because the mean of its divisors is an integer number (486826200).

Almost surely, 2^13578576680 is an apocalyptic number.

13578576680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13578576680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15578438400).

13578576680 is an abundant number, since it is smaller than the sum of its proper divisors (17578300120).

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

13578576680 is a wasteful number, since it uses less digits than its factorization.

13578576680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954 (or 5950 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 13578576680 in words is "thirteen billion, five hundred seventy-eight million, five hundred seventy-six thousand, six hundred eighty".