1378833876812 has 24 divisors (see below), whose sum is σ = 2816341538304. Its totient is φ = 578355850512.

The previous prime is 1378833876811. The next prime is 1378833876821. The reversal of 1378833876812 is 2186783388731.

It is not an unprimeable number, because it can be changed into a prime (1378833876811) 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 7 ways as a sum of consecutive naturals, for example, 523871738 + ... + 523874369.

It is an arithmetic number, because the mean of its divisors is an integer number (117347564096).

Almost surely, 2^{1378833876812} is an apocalyptic number.

It is an amenable number.

1378833876812 is an abundant number, since it is smaller than the sum of its proper divisors (1437507661492).

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

1378833876812 is a wasteful number, since it uses less digits than its factorization.

1378833876812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047746165 (or 1047746163 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 65.

The spelling of 1378833876812 in words is "one trillion, three hundred seventy-eight billion, eight hundred thirty-three million, eight hundred seventy-six thousand, eight hundred twelve".