378632378684 has 48 divisors (see below), whose sum is σ = 788685488640. Its totient is φ = 155661549120.

The previous prime is 378632378639. The next prime is 378632378701. The reversal of 378632378684 is 486873236873.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 378632378684.

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 15 ways as a sum of consecutive naturals, for example, 2500214 + ... + 2647325.

It is an arithmetic number, because the mean of its divisors is an integer number (16430947680).

Almost surely, 2^378632378684 is an apocalyptic number.

It is an amenable number.

378632378684 is an abundant number, since it is smaller than the sum of its proper divisors (410053109956).

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

378632378684 is a wasteful number, since it uses less digits than its factorization.

378632378684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147658 (or 5147656 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 65.

The spelling of 378632378684 in words is "three hundred seventy-eight billion, six hundred thirty-two million, three hundred seventy-eight thousand, six hundred eighty-four".