378699465 has 32 divisors (see below), whose sum is σ = 618854400. Its totient is φ = 197691840.

The previous prime is 378699449. The next prime is 378699521. The reversal of 378699465 is 564996873.

It is a happy number.

It is not a de Polignac number, because 378699465 - 2⁴ = 378699449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239046 + ... + 240624.

It is an arithmetic number, because the mean of its divisors is an integer number (19339200).

Almost surely, 2^378699465 is an apocalyptic number.

It is an amenable number.

378699465 is a deficient number, since it is larger than the sum of its proper divisors (240154935).

378699465 is a wasteful number, since it uses less digits than its factorization.

378699465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917.

The product of its digits is 9797760, while the sum is 57.

The square root of 378699465 is about 19460.2020801430. The cubic root of 378699465 is about 723.4883859717.

The spelling of 378699465 in words is "three hundred seventy-eight million, six hundred ninety-nine thousand, four hundred sixty-five".