378466278 has 16 divisors (see below), whose sum is σ = 773038080. Its totient is φ = 123471176.

The previous prime is 378466273. The next prime is 378466279. The reversal of 378466278 is 872664873.

It is a self number, because there is not a number n which added to its sum of digits gives 378466278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378466273) 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, 670758 + ... + 671321.

It is an arithmetic number, because the mean of its divisors is an integer number (48314880).

Almost surely, 2^378466278 is an apocalyptic number.

378466278 is an abundant number, since it is smaller than the sum of its proper divisors (394571802).

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

378466278 is a wasteful number, since it uses less digits than its factorization.

378466278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342131.

The product of its digits is 2709504, while the sum is 51.

The square root of 378466278 is about 19454.2097757786. The cubic root of 378466278 is about 723.3398577046.

The spelling of 378466278 in words is "three hundred seventy-eight million, four hundred sixty-six thousand, two hundred seventy-eight".