378565085 has 8 divisors (see below), whose sum is σ = 461725656. Its totient is φ = 297887040.

The previous prime is 378565081. The next prime is 378565111. The reversal of 378565085 is 580565873.

It can be written as a sum of positive squares in 4 ways, for example, as 3523129 + 375041956 = 1877^2 + 19366^2 .

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

It is not a de Polignac number, because 378565085 - 2² = 378565081 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 (378565081) 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, 620294 + ... + 620903.

It is an arithmetic number, because the mean of its divisors is an integer number (57715707).

Almost surely, 2^378565085 is an apocalyptic number.

It is an amenable number.

378565085 is a deficient number, since it is larger than the sum of its proper divisors (83160571).

378565085 is a wasteful number, since it uses less digits than its factorization.

378565085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241263.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The square root of 378565085 is about 19456.7490861141. The cubic root of 378565085 is about 723.4028001882.

The spelling of 378565085 in words is "three hundred seventy-eight million, five hundred sixty-five thousand, eighty-five".