378575479 has 4 divisors (see below), whose sum is σ = 383907600. Its totient is φ = 373243360.

The previous prime is 378575471. The next prime is 378575489. The reversal of 378575479 is 974575873.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378575479 - 2³ = 378575471 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 2665954 + ... + 2666095.

It is an arithmetic number, because the mean of its divisors is an integer number (95976900).

Almost surely, 2^378575479 is an apocalyptic number.

378575479 is a deficient number, since it is larger than the sum of its proper divisors (5332121).

378575479 is an equidigital number, since it uses as much as digits as its factorization.

378575479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5332120.

The product of its digits is 7408800, while the sum is 55.

The square root of 378575479 is about 19457.0161895394. The cubic root of 378575479 is about 723.4094207846.

The spelling of 378575479 in words is "three hundred seventy-eight million, five hundred seventy-five thousand, four hundred seventy-nine".