378813708548383 has 4 divisors (see below), whose sum is σ = 378813877886808. Its totient is φ = 378813539209960.

The previous prime is 378813708548347. The next prime is 378813708548393. The reversal of 378813708548383 is 383845807318873.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378813708548383 - 2³⁷ = 378676269594911 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 (378813708548393) 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 3 ways as a sum of consecutive naturals, for example, 81268141 + ... + 85802902.

It is an arithmetic number, because the mean of its divisors is an integer number (94703469471702).

Almost surely, 2^{378813708548383} is an apocalyptic number.

378813708548383 is a deficient number, since it is larger than the sum of its proper divisors (169338425).

378813708548383 is a wasteful number, since it uses less digits than its factorization.

378813708548383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169338424.

The product of its (nonzero) digits is 2601123840, while the sum is 76.

The spelling of 378813708548383 in words is "three hundred seventy-eight trillion, eight hundred thirteen billion, seven hundred eight million, five hundred forty-eight thousand, three hundred eighty-three".