378470386819799 has 4 divisors (see below), whose sum is σ = 378470431569336. Its totient is φ = 378470342070264.

The previous prime is 378470386819781. The next prime is 378470386819801. The reversal of 378470386819799 is 997918683074873.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 378470386819799 - 2⁸ = 378470386819543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378470386819729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5391509 + ... + 28035854.

It is an arithmetic number, because the mean of its divisors is an integer number (94617607892334).

Almost surely, 2^{378470386819799} is an apocalyptic number.

378470386819799 is a deficient number, since it is larger than the sum of its proper divisors (44749537).

378470386819799 is a wasteful number, since it uses less digits than its factorization.

378470386819799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44749536.

The product of its (nonzero) digits is 27653197824, while the sum is 89.

The spelling of 378470386819799 in words is "three hundred seventy-eight trillion, four hundred seventy billion, three hundred eighty-six million, eight hundred nineteen thousand, seven hundred ninety-nine".