378386065 has 4 divisors (see below), whose sum is σ = 454063284. Its totient is φ = 302708848.

The previous prime is 378386059. The next prime is 378386101. The reversal of 378386065 is 560683873.

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

It can be written as a sum of positive squares in 2 ways, for example, as 279959824 + 98426241 = 16732^2 + 9921^2 .

It is a cyclic number.

It is not a de Polignac number, because 378386065 - 2¹⁷ = 378254993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37838602 + ... + 37838611.

It is an arithmetic number, because the mean of its divisors is an integer number (113515821).

Almost surely, 2^378386065 is an apocalyptic number.

It is an amenable number.

378386065 is a deficient number, since it is larger than the sum of its proper divisors (75677219).

378386065 is an equidigital number, since it uses as much as digits as its factorization.

378386065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75677218.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 378386065 is about 19452.1480818957. The cubic root of 378386065 is about 723.2887519981.

The spelling of 378386065 in words is "three hundred seventy-eight million, three hundred eighty-six thousand, sixty-five".