27789883056 has 200 divisors, whose sum is σ = 91179007920. Its totient is φ = 8100601344.

The previous prime is 27789883039. The next prime is 27789883063. The reversal of 27789883056 is 65038898772.

It is a junction number, because it is equal to n+sod(n) for n = 27789882984 and 27789883002.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 276706 + ... + 363518.

Almost surely, 2^27789883056 is an apocalyptic number.

27789883056 is a gapful number since it is divisible by the number (26) 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 27789883056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45589503960).

27789883056 is an abundant number, since it is smaller than the sum of its proper divisors (63389124864).

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

27789883056 is a wasteful number, since it uses less digits than its factorization.

27789883056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86865 (or 86850 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 27789883056 in words is "twenty-seven billion, seven hundred eighty-nine million, eight hundred eighty-three thousand, fifty-six".