378705265 has 8 divisors (see below), whose sum is σ = 454550760. Its totient is φ = 302894592.

The previous prime is 378705251. The next prime is 378705293. The reversal of 378705265 is 562507873.

It can be written as a sum of positive squares in 4 ways, for example, as 20133169 + 358572096 = 4487^2 + 18936^2 .

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 378705265 - 2¹¹ = 378703217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38977 + ... + 47713.

It is an arithmetic number, because the mean of its divisors is an integer number (56818845).

Almost surely, 2^378705265 is an apocalyptic number.

It is an amenable number.

378705265 is a deficient number, since it is larger than the sum of its proper divisors (75845495).

378705265 is an equidigital number, since it uses as much as digits as its factorization.

378705265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17411.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 378705265 is about 19460.3511016631. The cubic root of 378705265 is about 723.4920794997.

The spelling of 378705265 in words is "three hundred seventy-eight million, seven hundred five thousand, two hundred sixty-five".