378836446417 has 8 divisors (see below), whose sum is σ = 445066594560. Its totient is φ = 317904710160.

The previous prime is 378836446393. The next prime is 378836446423. The reversal of 378836446417 is 714644638873.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 378836446417 - 2³⁵ = 344476708049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378836446447) 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, 1324602817 + ... + 1324603102.

It is an arithmetic number, because the mean of its divisors is an integer number (55633324320).

Almost surely, 2^378836446417 is an apocalyptic number.

It is an amenable number.

378836446417 is a deficient number, since it is larger than the sum of its proper divisors (66230148143).

378836446417 is a wasteful number, since it uses less digits than its factorization.

378836446417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649205943.

The product of its digits is 65028096, while the sum is 61.

The spelling of 378836446417 in words is "three hundred seventy-eight billion, eight hundred thirty-six million, four hundred forty-six thousand, four hundred seventeen".