378689666800 has 60 divisors (see below), whose sum is σ = 916965842176. Its totient is φ = 150283123200.

The previous prime is 378689666753. The next prime is 378689666807. The reversal of 378689666800 is 8666986873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378689666807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3676461 + ... + 3778060.

Almost surely, 2^378689666800 is an apocalyptic number.

It is an amenable number.

378689666800 is an abundant number, since it is smaller than the sum of its proper divisors (538276175376).

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

378689666800 is a wasteful number, since it uses less digits than its factorization.

378689666800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7454666 (or 7454655 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 67.

The spelling of 378689666800 in words is "three hundred seventy-eight billion, six hundred eighty-nine million, six hundred sixty-six thousand, eight hundred".