378477473 has 12 divisors (see below), whose sum is σ = 437910480. Its totient is φ = 325959480.

The previous prime is 378477457. The next prime is 378477497. The reversal of 378477473 is 374774873.

It is a happy number.

It is not a de Polignac number, because 378477473 - 2⁴ = 378477457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378477973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80015 + ... + 84612.

It is an arithmetic number, because the mean of its divisors is an integer number (36492540).

Almost surely, 2^378477473 is an apocalyptic number.

It is an amenable number.

378477473 is a deficient number, since it is larger than the sum of its proper divisors (59433007).

378477473 is a wasteful number, since it uses less digits than its factorization.

378477473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164668 (or 164657 counting only the distinct ones).

The product of its digits is 2765952, while the sum is 50.

The square root of 378477473 is about 19454.4975005781. The cubic root of 378477473 is about 723.3469897446.

The spelling of 378477473 in words is "three hundred seventy-eight million, four hundred seventy-seven thousand, four hundred seventy-three".