378864770 has 8 divisors (see below), whose sum is σ = 681956604. Its totient is φ = 151545904.

The previous prime is 378864751. The next prime is 378864799. The reversal of 378864770 is 77468873.

It can be written as a sum of positive squares in 2 ways, for example, as 376243609 + 2621161 = 19397^2 + 1619^2 .

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

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, 18943229 + ... + 18943248.

Almost surely, 2^378864770 is an apocalyptic number.

378864770 is a deficient number, since it is larger than the sum of its proper divisors (303091834).

378864770 is a wasteful number, since it uses less digits than its factorization.

378864770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37886484.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The square root of 378864770 is about 19464.4488748076. The cubic root of 378864770 is about 723.5936399275.

The spelling of 378864770 in words is "three hundred seventy-eight million, eight hundred sixty-four thousand, seven hundred seventy".