378853171026 has 32 divisors (see below), whose sum is σ = 826649929728. Its totient is φ = 114795492240.

The previous prime is 378853171007. The next prime is 378853171027. The reversal of 378853171026 is 620171358873.

It is a self number, because there is not a number n which added to its sum of digits gives 378853171026.

It is not an unprimeable number, because it can be changed into a prime (378853171027) 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 15 ways as a sum of consecutive naturals, for example, 716331 + ... + 1127313.

It is an arithmetic number, because the mean of its divisors is an integer number (25832810304).

Almost surely, 2^378853171026 is an apocalyptic number.

378853171026 is an abundant number, since it is smaller than the sum of its proper divisors (447796758702).

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

378853171026 is a wasteful number, since it uses less digits than its factorization.

378853171026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424966.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 378853171026 in words is "three hundred seventy-eight billion, eight hundred fifty-three million, one hundred seventy-one thousand, twenty-six".