5768687521 has 2 divisors, whose sum is σ = 5768687522. Its totient is φ = 5768687520.

The previous prime is 5768687459. The next prime is 5768687549. The reversal of 5768687521 is 1257868675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5055210000 + 713477521 = 71100^2 + 26711^2 .

It is a cyclic number.

It is not a de Polignac number, because 5768687521 - 2⁹ = 5768687009 is a prime.

It is a super-2 number, since 2×5768687521² = 66555511429882250882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5768687621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2884343760 + 2884343761.

It is an arithmetic number, because the mean of its divisors is an integer number (2884343761).

Almost surely, 2^5768687521 is an apocalyptic number.

It is an amenable number.

5768687521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5768687521 is an equidigital number, since it uses as much as digits as its factorization.

5768687521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5644800, while the sum is 55.

The square root of 5768687521 is about 75951.8763494359. The cubic root of 5768687521 is about 1793.4626565167.

The spelling of 5768687521 in words is "five billion, seven hundred sixty-eight million, six hundred eighty-seven thousand, five hundred twenty-one".