747330857289 has 27 divisors (see below), whose sum is σ = 1100432102133. Its totient is φ = 488730277152.

The previous prime is 747330857267. The next prime is 747330857291. The reversal of 747330857289 is 982758033747.

The square root of 747330857289 is 864483.

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

747330857289 is a `hidden beast` number, since 7 + 47 + 3 + 308 + 5 + 7 + 289 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 62541506889 + 684789350400 = 250083^2 + 827520^2 .

It is not a de Polignac number, because 747330857289 - 2¹¹ = 747330855241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (747330857089) 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, 137450079 + ... + 137455515.

Almost surely, 2^747330857289 is an apocalyptic number.

747330857289 is the 864483-rd square number.

747330857289 is the 432242-nd centered octagonal number.

It is an amenable number.

747330857289 is a deficient number, since it is larger than the sum of its proper divisors (353101244844).

747330857289 is an frugal number, since it uses more digits than its factorization.

747330857289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10986 (or 5493 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 63.

The spelling of 747330857289 in words is "seven hundred forty-seven billion, three hundred thirty million, eight hundred fifty-seven thousand, two hundred eighty-nine".