378855367045 has 4 divisors (see below), whose sum is σ = 454626440460. Its totient is φ = 303084293632.

The previous prime is 378855367043. The next prime is 378855367123. The reversal of 378855367045 is 540763558873.

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

It can be written as a sum of positive squares in 2 ways, for example, as 276809620129 + 102045746916 = 526127^2 + 319446^2 .

It is a cyclic number.

It is not a de Polignac number, because 378855367045 - 2¹ = 378855367043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378855367043) 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, 37885536700 + ... + 37885536709.

It is an arithmetic number, because the mean of its divisors is an integer number (113656610115).

Almost surely, 2^378855367045 is an apocalyptic number.

It is an amenable number.

378855367045 is a deficient number, since it is larger than the sum of its proper divisors (75771073415).

378855367045 is an equidigital number, since it uses as much as digits as its factorization.

378855367045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75771073414.

The product of its (nonzero) digits is 84672000, while the sum is 61.

The spelling of 378855367045 in words is "three hundred seventy-eight billion, eight hundred fifty-five million, three hundred sixty-seven thousand, forty-five".