378834550225 has 6 divisors (see below), whose sum is σ = 469754842310. Its totient is φ = 303067640160.

The previous prime is 378834550207. The next prime is 378834550267. The reversal of 378834550225 is 522055438873.

It can be written as a sum of positive squares in 3 ways, for example, as 32507008209 + 346327542016 = 180297^2 + 588496^2 .

It is not a de Polignac number, because 378834550225 - 2²⁷ = 378700332497 is a prime.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 7576690980 + ... + 7576691029.

Almost surely, 2^378834550225 is an apocalyptic number.

It is an amenable number.

378834550225 is a deficient number, since it is larger than the sum of its proper divisors (90920292085).

378834550225 is a wasteful number, since it uses less digits than its factorization.

378834550225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15153382019 (or 15153382014 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 52.

The spelling of 378834550225 in words is "three hundred seventy-eight billion, eight hundred thirty-four million, five hundred fifty thousand, two hundred twenty-five".