27798896832 has 224 divisors, whose sum is σ = 86562224640. Its totient is φ = 7707156480.

The previous prime is 27798896819. The next prime is 27798896849. The reversal of 27798896832 is 23869889772.

It is a tau number, because it is divible by the number of its divisors (224).

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34361644 + ... + 34362452.

Almost surely, 2^27798896832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27798896832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43281112320).

27798896832 is an abundant number, since it is smaller than the sum of its proper divisors (58763327808).

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

27798896832 is a wasteful number, since it uses less digits than its factorization.

27798896832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559 (or 1549 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 69.

The spelling of 27798896832 in words is "twenty-seven billion, seven hundred ninety-eight million, eight hundred ninety-six thousand, eight hundred thirty-two".