378813721276 has 12 divisors (see below), whose sum is σ = 667984501800. Its totient is φ = 187961006480.

The previous prime is 378813721267. The next prime is 378813721303. The reversal of 378813721276 is 672127318873.

It is a congruent number.

It is an unprimeable number.

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, 361462951 + ... + 361463998.

It is an arithmetic number, because the mean of its divisors is an integer number (55665375150).

Almost surely, 2^378813721276 is an apocalyptic number.

It is an amenable number.

378813721276 is a deficient number, since it is larger than the sum of its proper divisors (289170780524).

378813721276 is a wasteful number, since it uses less digits than its factorization.

378813721276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722927084 (or 722927082 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 55.

The spelling of 378813721276 in words is "three hundred seventy-eight billion, eight hundred thirteen million, seven hundred twenty-one thousand, two hundred seventy-six".