76281327317 has 8 divisors (see below), whose sum is σ = 86981423256. Its totient is φ = 66271560192.

The previous prime is 76281327301. The next prime is 76281327323. The reversal of 76281327317 is 71372318267.

It can be written as a sum of positive squares in 4 ways, for example, as 611770756 + 75669556561 = 24734^2 + 275081^2 .

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 76281327317 - 2⁴ = 76281327301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76281321317) 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, 172581968 + ... + 172582409.

It is an arithmetic number, because the mean of its divisors is an integer number (10872677907).

Almost surely, 2^76281327317 is an apocalyptic number.

It is an amenable number.

76281327317 is a deficient number, since it is larger than the sum of its proper divisors (10700095939).

76281327317 is a wasteful number, since it uses less digits than its factorization.

76281327317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345164407.

The product of its digits is 592704, while the sum is 47.

The spelling of 76281327317 in words is "seventy-six billion, two hundred eighty-one million, three hundred twenty-seven thousand, three hundred seventeen".