27728304896 has 18 divisors (see below), whose sum is σ = 55348296612. Its totient is φ = 13864152320.

The previous prime is 27728304853. The next prime is 27728304917. The reversal of 27728304896 is 69840382772.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54156590 + ... + 54157101.

Almost surely, 2^27728304896 is an apocalyptic number.

It is an amenable number.

27728304896 is a deficient number, since it is larger than the sum of its proper divisors (27619991716).

27728304896 is an equidigital number, since it uses as much as digits as its factorization.

27728304896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108313707 (or 108313693 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 27728304896 in words is "twenty-seven billion, seven hundred twenty-eight million, three hundred four thousand, eight hundred ninety-six".