378559783 has 8 divisors (see below), whose sum is σ = 451450368. Its totient is φ = 310371864.

The previous prime is 378559777. The next prime is 378559787. The reversal of 378559783 is 387955873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378559783 - 2²⁵ = 345005351 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378559787) 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, 1175491 + ... + 1175812.

It is an arithmetic number, because the mean of its divisors is an integer number (56431296).

Almost surely, 2^378559783 is an apocalyptic number.

378559783 is a deficient number, since it is larger than the sum of its proper divisors (72890585).

378559783 is a wasteful number, since it uses less digits than its factorization.

378559783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351333.

The product of its digits is 6350400, while the sum is 55.

The square root of 378559783 is about 19456.6128347151. The cubic root of 378559783 is about 723.3994229622.

The spelling of 378559783 in words is "three hundred seventy-eight million, five hundred fifty-nine thousand, seven hundred eighty-three".