378566222665873 has 12 divisors (see below), whose sum is σ = 429532882879744. Its totient is φ = 333049462752600.

The previous prime is 378566222665867. The next prime is 378566222665903.

378566222665873 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 378566222665873 - 2²¹ = 378566220568721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378566222665873.

It is not an unprimeable number, because it can be changed into a prime (378566222665073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50462036061 + ... + 50462043562.

Almost surely, 2^{378566222665873} is an apocalyptic number.

It is an amenable number.

378566222665873 is a deficient number, since it is larger than the sum of its proper divisors (50966660213871).

378566222665873 is a wasteful number, since it uses less digits than its factorization.

378566222665873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100924079676 (or 100924079665 counting only the distinct ones).

The product of its digits is 7315660800, while the sum is 76.

The spelling of 378566222665873 in words is "three hundred seventy-eight trillion, five hundred sixty-six billion, two hundred twenty-two million, six hundred sixty-five thousand, eight hundred seventy-three".