378267678 has 32 divisors (see below), whose sum is σ = 856461600. Its totient is φ = 123709248.

The previous prime is 378267671. The next prime is 378267679. The reversal of 378267678 is 876762873.

378267678 is a `hidden beast` number, since 378 + 267 + 6 + 7 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378267671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63223 + ... + 68946.

It is an arithmetic number, because the mean of its divisors is an integer number (26764425).

Almost surely, 2^378267678 is an apocalyptic number.

378267678 is an abundant number, since it is smaller than the sum of its proper divisors (478193922).

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

378267678 is a wasteful number, since it uses less digits than its factorization.

378267678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132233 (or 132227 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 378267678 is about 19449.1048123043. The cubic root of 378267678 is about 723.2133114845.

The spelling of 378267678 in words is "three hundred seventy-eight million, two hundred sixty-seven thousand, six hundred seventy-eight".