12833705778 has 8 divisors (see below), whose sum is σ = 25667411568. Its totient is φ = 4277901924.

The previous prime is 12833705737. The next prime is 12833705789. The reversal of 12833705778 is 87750733821.

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

12833705778 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12833705778.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069475476 + ... + 1069475487.

It is an arithmetic number, because the mean of its divisors is an integer number (3208426446).

Almost surely, 2^12833705778 is an apocalyptic number.

12833705778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12833705778 is a wasteful number, since it uses less digits than its factorization.

12833705778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138950968.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 12833705778 in words is "twelve billion, eight hundred thirty-three million, seven hundred five thousand, seven hundred seventy-eight".