475438378 has 16 divisors (see below), whose sum is σ = 731162376. Its totient is φ = 231727360.

The previous prime is 475438373. The next prime is 475438391. The reversal of 475438378 is 873834574.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 149744169 + 325694209 = 12237^2 + 18047^2 .

It is not an unprimeable number, because it can be changed into a prime (475438373) 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, 175200 + ... + 177892.

Almost surely, 2^475438378 is an apocalyptic number.

475438378 is a deficient number, since it is larger than the sum of its proper divisors (255723998).

475438378 is a wasteful number, since it uses less digits than its factorization.

475438378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4889.

The product of its digits is 2257920, while the sum is 49.

The square root of 475438378 is about 21804.5494794091. The cubic root of 475438378 is about 780.4853313099.

The spelling of 475438378 in words is "four hundred seventy-five million, four hundred thirty-eight thousand, three hundred seventy-eight".