378793604817 has 12 divisors (see below), whose sum is σ = 567410996880. Its totient is φ = 252529069716.

The previous prime is 378793604759. The next prime is 378793604837. The reversal of 378793604817 is 718406397873.

378793604817 is a `hidden beast` number, since 3 + 7 + 8 + 7 + 9 + 3 + 604 + 8 + 17 = 666.

It is not a de Polignac number, because 378793604817 - 2⁷ = 378793604689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378793604837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 779410467 + ... + 779410952.

It is an arithmetic number, because the mean of its divisors is an integer number (47284249740).

Almost surely, 2^378793604817 is an apocalyptic number.

It is an amenable number.

378793604817 is a deficient number, since it is larger than the sum of its proper divisors (188617392063).

378793604817 is an equidigital number, since it uses as much as digits as its factorization.

378793604817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558821434 (or 1558821422 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 378793604817 in words is "three hundred seventy-eight billion, seven hundred ninety-three million, six hundred four thousand, eight hundred seventeen".