27728573016 has 64 divisors (see below), whose sum is σ = 69763730400. Its totient is φ = 9183974400.

The previous prime is 27728573009. The next prime is 27728573017. The reversal of 27728573016 is 61037582772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27728573017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7474170 + ... + 7477878.

Almost surely, 2^27728573016 is an apocalyptic number.

It is an amenable number.

27728573016 is an abundant number, since it is smaller than the sum of its proper divisors (42035157384).

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

27728573016 is a wasteful number, since it uses less digits than its factorization.

27728573016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5620 (or 5616 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 27728573016 in words is "twenty-seven billion, seven hundred twenty-eight million, five hundred seventy-three thousand, sixteen".