378117570447 has 16 divisors (see below), whose sum is σ = 573836964960. Its totient is φ = 245930126400.

The previous prime is 378117570427. The next prime is 378117570511. The reversal of 378117570447 is 744075711873.

378117570447 is a `hidden beast` number, since 37 + 8 + 117 + 57 + 0 + 447 = 666.

It is not a de Polignac number, because 378117570447 - 2³⁵ = 343757832079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378117570393 and 378117570402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378117570407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170783704 + ... + 170785917.

It is an arithmetic number, because the mean of its divisors is an integer number (35864810310).

Almost surely, 2^378117570447 is an apocalyptic number.

378117570447 is a deficient number, since it is larger than the sum of its proper divisors (195719394513).

378117570447 is a wasteful number, since it uses less digits than its factorization.

378117570447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341569671 (or 341569665 counting only the distinct ones).

The product of its (nonzero) digits is 4609920, while the sum is 54.

The spelling of 378117570447 in words is "three hundred seventy-eight billion, one hundred seventeen million, five hundred seventy thousand, four hundred forty-seven".