16929884777 has 24 divisors (see below), whose sum is σ = 18497558016. Its totient is φ = 15487333056.

The previous prime is 16929884771. The next prime is 16929884813. The reversal of 16929884777 is 77748892961.

16929884777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-16929884777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16929884771) 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 23 ways as a sum of consecutive naturals, for example, 15574328 + ... + 15575414.

It is an arithmetic number, because the mean of its divisors is an integer number (770731584).

Almost surely, 2^16929884777 is an apocalyptic number.

It is an amenable number.

16929884777 is a deficient number, since it is larger than the sum of its proper divisors (1567673239).

16929884777 is a wasteful number, since it uses less digits than its factorization.

16929884777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857 (or 1844 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 68.

The spelling of 16929884777 in words is "sixteen billion, nine hundred twenty-nine million, eight hundred eighty-four thousand, seven hundred seventy-seven".