27708080784 has 80 divisors (see below), whose sum is σ = 72387480000. Its totient is φ = 9132092928.

The previous prime is 27708080747. The next prime is 27708080797. The reversal of 27708080784 is 48708080772.

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, 2605462 + ... + 2616074.

It is an arithmetic number, because the mean of its divisors is an integer number (904843500).

Almost surely, 2^27708080784 is an apocalyptic number.

27708080784 is a gapful number since it is divisible by the number (24) 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 27708080784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36193740000).

27708080784 is an abundant number, since it is smaller than the sum of its proper divisors (44679399216).

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

27708080784 is a wasteful number, since it uses less digits than its factorization.

27708080784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11232 (or 11226 counting only the distinct ones).

The product of its (nonzero) digits is 1404928, while the sum is 51.

The spelling of 27708080784 in words is "twenty-seven billion, seven hundred eight million, eighty thousand, seven hundred eighty-four".