378833581668 has 24 divisors (see below), whose sum is σ = 884138702272. Its totient is φ = 126250192224.

The previous prime is 378833581657. The next prime is 378833581669. The reversal of 378833581668 is 866185338873.

It is a junction number, because it is equal to n+sod(n) for n = 378833581599 and 378833581608.

It is not an unprimeable number, because it can be changed into a prime (378833581669) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3401455 + ... + 3511062.

Almost surely, 2^378833581668 is an apocalyptic number.

It is an amenable number.

378833581668 is an abundant number, since it is smaller than the sum of its proper divisors (505305120604).

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

378833581668 is a wasteful number, since it uses less digits than its factorization.

378833581668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6917091 (or 6917089 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 66.

The spelling of 378833581668 in words is "three hundred seventy-eight billion, eight hundred thirty-three million, five hundred eighty-one thousand, six hundred sixty-eight".