16727820839 has 4 divisors (see below), whose sum is σ = 16728763680. Its totient is φ = 16726878000.

The previous prime is 16727820787. The next prime is 16727820847. The reversal of 16727820839 is 93802872761.

16727820839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16727820839 - 2²⁰ = 16726772263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16727820899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444287 + ... + 480464.

It is an arithmetic number, because the mean of its divisors is an integer number (4182190920).

Almost surely, 2^16727820839 is an apocalyptic number.

16727820839 is a deficient number, since it is larger than the sum of its proper divisors (942841).

16727820839 is an equidigital number, since it uses as much as digits as its factorization.

16727820839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942840.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 16727820839 in words is "sixteen billion, seven hundred twenty-seven million, eight hundred twenty thousand, eight hundred thirty-nine".