378157668 has 48 divisors (see below), whose sum is σ = 1025525760. Its totient is φ = 106212384.

The previous prime is 378157657. The next prime is 378157687. The reversal of 378157668 is 866751873.

378157668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 378157668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33196 + ... + 43107.

It is an arithmetic number, because the mean of its divisors is an integer number (21365120).

Almost surely, 2^378157668 is an apocalyptic number.

It is an amenable number.

378157668 is an abundant number, since it is smaller than the sum of its proper divisors (647368092).

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

378157668 is a wasteful number, since it uses less digits than its factorization.

378157668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76376 (or 76374 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 378157668 is about 19446.2764559182. The cubic root of 378157668 is about 723.1431949902.

The spelling of 378157668 in words is "three hundred seventy-eight million, one hundred fifty-seven thousand, six hundred sixty-eight".