378069959 has 12 divisors (see below), whose sum is σ = 394028232. Its totient is φ = 362491920.

The previous prime is 378069947. The next prime is 378069971. The reversal of 378069959 is 959960873.

It is an interprime number because it is at equal distance from previous prime (378069947) and next prime (378069971).

It is not a de Polignac number, because 378069959 - 2⁴ = 378069943 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 (378069059) 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, 185504 + ... + 187530.

It is an arithmetic number, because the mean of its divisors is an integer number (32835686).

Almost surely, 2^378069959 is an apocalyptic number.

378069959 is a deficient number, since it is larger than the sum of its proper divisors (15958273).

378069959 is an equidigital number, since it uses as much as digits as its factorization.

378069959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206 (or 2135 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 56.

The square root of 378069959 is about 19444.0211633294. The cubic root of 378069959 is about 723.0872826234.

The spelling of 378069959 in words is "three hundred seventy-eight million, sixty-nine thousand, nine hundred fifty-nine".