378853138063 has 4 divisors (see below), whose sum is σ = 379313470768. Its totient is φ = 378392805360.

The previous prime is 378853138033. The next prime is 378853138099. The reversal of 378853138063 is 360831358873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360831358873 = 23 ⋅15688319951.

It is a cyclic number.

It is not a de Polignac number, because 378853138063 - 2²⁹ = 378316267151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378853137995 and 378853138013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378853138033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230165118 + ... + 230166763.

It is an arithmetic number, because the mean of its divisors is an integer number (94828367692).

Almost surely, 2^378853138063 is an apocalyptic number.

378853138063 is a deficient number, since it is larger than the sum of its proper divisors (460332705).

378853138063 is an equidigital number, since it uses as much as digits as its factorization.

378853138063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460332704.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 378853138063 in words is "three hundred seventy-eight billion, eight hundred fifty-three million, one hundred thirty-eight thousand, sixty-three".