378575478 has 16 divisors (see below), whose sum is σ = 841278960. Its totient is φ = 126191808.

The previous prime is 378575471. The next prime is 378575489. The reversal of 378575478 is 874575873.

378575478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 7010657 = 378575478 / (3 + 7 + 8 + 5 + 7 + 5 + 4 + 7 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378575471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3505275 + ... + 3505382.

It is an arithmetic number, because the mean of its divisors is an integer number (52579935).

Almost surely, 2^378575478 is an apocalyptic number.

378575478 is an abundant number, since it is smaller than the sum of its proper divisors (462703482).

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

378575478 is a wasteful number, since it uses less digits than its factorization.

378575478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7010668 (or 7010662 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 54.

The square root of 378575478 is about 19457.0161638418. The cubic root of 378575478 is about 723.4094201476.

The spelling of 378575478 in words is "three hundred seventy-eight million, five hundred seventy-five thousand, four hundred seventy-eight".