378853702063 has 4 divisors (see below), whose sum is σ = 380192408008. Its totient is φ = 377514996120.

The previous prime is 378853702043. The next prime is 378853702103. The reversal of 378853702063 is 360207358873.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378853702063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378853702063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378853702043) 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, 669352548 + ... + 669353113.

It is an arithmetic number, because the mean of its divisors is an integer number (95048102002).

Almost surely, 2^378853702063 is an apocalyptic number.

378853702063 is a deficient number, since it is larger than the sum of its proper divisors (1338705945).

378853702063 is a wasteful number, since it uses less digits than its factorization.

378853702063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338705944.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 378853702063 in words is "three hundred seventy-eight billion, eight hundred fifty-three million, seven hundred two thousand, sixty-three".