378815628466 has 16 divisors (see below), whose sum is σ = 620911555488. Its totient is φ = 171902412000.

The previous prime is 378815628463. The next prime is 378815628467. The reversal of 378815628466 is 664826518873.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 378815628398 and 378815628407.

It is not an unprimeable number, because it can be changed into a prime (378815628463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14311980 + ... + 14338423.

It is an arithmetic number, because the mean of its divisors is an integer number (38806972218).

Almost surely, 2^378815628466 is an apocalyptic number.

378815628466 is a deficient number, since it is larger than the sum of its proper divisors (242095927022).

378815628466 is a wasteful number, since it uses less digits than its factorization.

378815628466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28651017.

The product of its digits is 92897280, while the sum is 64.

The spelling of 378815628466 in words is "three hundred seventy-eight billion, eight hundred fifteen million, six hundred twenty-eight thousand, four hundred sixty-six".