516327859577 has 2 divisors, whose sum is σ = 516327859578. Its totient is φ = 516327859576.

The previous prime is 516327859573. The next prime is 516327859631. The reversal of 516327859577 is 775958723615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 473758266601 + 42569592976 = 688301^2 + 206324^2 .

It is a cyclic number.

It is not a de Polignac number, because 516327859577 - 2² = 516327859573 is a prime.

It is not a weakly prime, because it can be changed into another prime (516327859573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258163929788 + 258163929789.

It is an arithmetic number, because the mean of its divisors is an integer number (258163929789).

Almost surely, 2^516327859577 is an apocalyptic number.

It is an amenable number.

516327859577 is a deficient number, since it is larger than the sum of its proper divisors (1).

516327859577 is an equidigital number, since it uses as much as digits as its factorization.

516327859577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 111132000, while the sum is 65.

The spelling of 516327859577 in words is "five hundred sixteen billion, three hundred twenty-seven million, eight hundred fifty-nine thousand, five hundred seventy-seven".