347285097481 has 27 divisors (see below), whose sum is σ = 418539749511. Its totient is φ = 287309352624.

The previous prime is 347285097451. The next prime is 347285097491. The reversal of 347285097481 is 184790582743.

The square root of 347285097481 is 589309.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 182107881081 + 165177216400 = 426741^2 + 406420^2 .

It is not a de Polignac number, because 347285097481 - 2¹³ = 347285089289 is a prime.

It is a super-2 number, since 2×347285097481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347285097451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 119628276 + ... + 119631178.

Almost surely, 2^347285097481 is an apocalyptic number.

347285097481 is the 589309-th square number.

347285097481 is the 294655-th centered octagonal number.

It is an amenable number.

347285097481 is a deficient number, since it is larger than the sum of its proper divisors (71254652030).

347285097481 is an frugal number, since it uses more digits than its factorization.

347285097481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878 (or 2939 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 347285097481 in words is "three hundred forty-seven billion, two hundred eighty-five million, ninety-seven thousand, four hundred eighty-one".