378813533384 has 32 divisors (see below), whose sum is σ = 834449394240. Its totient is φ = 158942740800.

The previous prime is 378813533383. The next prime is 378813533407. The reversal of 378813533384 is 483335318873.

It is not an unprimeable number, because it can be changed into a prime (378813533381) 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, 165564212 + ... + 165566499.

It is an arithmetic number, because the mean of its divisors is an integer number (26076543570).

Almost surely, 2^378813533384 is an apocalyptic number.

It is an amenable number.

378813533384 is an abundant number, since it is smaller than the sum of its proper divisors (455635860856).

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

378813533384 is a wasteful number, since it uses less digits than its factorization.

378813533384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331130741 (or 331130737 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 56.

The spelling of 378813533384 in words is "three hundred seventy-eight billion, eight hundred thirteen million, five hundred thirty-three thousand, three hundred eighty-four".