838225275361 has 8 divisors (see below), whose sum is σ = 843953898600. Its totient is φ = 832498025088.

The previous prime is 838225275353. The next prime is 838225275367. The reversal of 838225275361 is 163572522838.

It can be written as a sum of positive squares in 4 ways, for example, as 242488289761 + 595736985600 = 492431^2 + 771840^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 838225275361 - 2³ = 838225275353 is a prime.

It is a super-2 number, since 2×838225275361² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 838225275299 and 838225275308.

It is not an unprimeable number, because it can be changed into a prime (838225275367) 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, 897235 + ... + 1575271.

It is an arithmetic number, because the mean of its divisors is an integer number (105494237325).

Almost surely, 2^838225275361 is an apocalyptic number.

It is an amenable number.

838225275361 is a deficient number, since it is larger than the sum of its proper divisors (5728623239).

838225275361 is a wasteful number, since it uses less digits than its factorization.

838225275361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686483.

The product of its digits is 4838400, while the sum is 52.

The spelling of 838225275361 in words is "eight hundred thirty-eight billion, two hundred twenty-five million, two hundred seventy-five thousand, three hundred sixty-one".