776730230329 has 9 divisors (see below), whose sum is σ = 787887648079. Its totient is φ = 765728675320.

The previous prime is 776730230323. The next prime is 776730230357. The reversal of 776730230329 is 923032037677.

The square root of 776730230329 is 881323.

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., 232753178025 + 543977052304 = 482445^2 + 737548^2 .

It is not a de Polignac number, because 776730230329 - 2¹³ = 776730222137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (776730230323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 62567727 + ... + 62580139.

Almost surely, 2^776730230329 is an apocalyptic number.

776730230329 is the 881323-rd square number.

776730230329 is the 440662-nd centered octagonal number.

It is an amenable number.

776730230329 is a deficient number, since it is larger than the sum of its proper divisors (11157417750).

776730230329 is an frugal number, since it uses more digits than its factorization.

776730230329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24968 (or 12484 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 49.

Multiplying 776730230329 by its sum of digits (49), we get a square (38059781286121 = 6169261²).

The spelling of 776730230329 in words is "seven hundred seventy-six billion, seven hundred thirty million, two hundred thirty thousand, three hundred twenty-nine".