16782776084 has 12 divisors (see below), whose sum is σ = 29402245824. Its totient is φ = 8382134424.

The previous prime is 16782776051. The next prime is 16782776089. The reversal of 16782776084 is 48067728761.

It is a happy number.

16782776084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16782776089) 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, 2309324 + ... + 2316579.

It is an arithmetic number, because the mean of its divisors is an integer number (2450187152).

Almost surely, 2^16782776084 is an apocalyptic number.

It is an amenable number.

16782776084 is a deficient number, since it is larger than the sum of its proper divisors (12619469740).

16782776084 is a wasteful number, since it uses less digits than its factorization.

16782776084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626814 (or 4626812 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 56.

The spelling of 16782776084 in words is "sixteen billion, seven hundred eighty-two million, seven hundred seventy-six thousand, eighty-four".