378853430838 has 16 divisors (see below), whose sum is σ = 757712972016. Its totient is φ = 126283458560.

The previous prime is 378853430833. The next prime is 378853430843. The reversal of 378853430838 is 838034358873.

It is an interprime number because it is at equal distance from previous prime (378853430833) and next prime (378853430843).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378853430833) 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 7 ways as a sum of consecutive naturals, for example, 1134070 + ... + 1429622.

It is an arithmetic number, because the mean of its divisors is an integer number (47357060751).

Almost surely, 2^378853430838 is an apocalyptic number.

378853430838 is an abundant number, since it is smaller than the sum of its proper divisors (378859541178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378853430838 is a wasteful number, since it uses less digits than its factorization.

378853430838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509199.

The product of its (nonzero) digits is 46448640, while the sum is 60.

The spelling of 378853430838 in words is "three hundred seventy-eight billion, eight hundred fifty-three million, four hundred thirty thousand, eight hundred thirty-eight".