12780333854 has 8 divisors (see below), whose sum is σ = 19788904128. Its totient is φ = 6184032480.

The previous prime is 12780333829. The next prime is 12780333857. The reversal of 12780333854 is 45833308721.

12780333854 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12780333857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103067147 + ... + 103067270.

It is an arithmetic number, because the mean of its divisors is an integer number (2473613016).

Almost surely, 2^12780333854 is an apocalyptic number.

12780333854 is a deficient number, since it is larger than the sum of its proper divisors (7008570274).

12780333854 is a wasteful number, since it uses less digits than its factorization.

12780333854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206134450.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 12780333854 in words is "twelve billion, seven hundred eighty million, three hundred thirty-three thousand, eight hundred fifty-four".