76315777717 has 2 divisors, whose sum is σ = 76315777718. Its totient is φ = 76315777716.

The previous prime is 76315777709. The next prime is 76315777729. The reversal of 76315777717 is 71777751367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47727393156 + 28588384561 = 218466^2 + 169081^2 .

It is a cyclic number.

It is not a de Polignac number, because 76315777717 - 2³ = 76315777709 is a prime.

It is a super-3 number, since 3×76315777717³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76315777787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38157888858 + 38157888859.

It is an arithmetic number, because the mean of its divisors is an integer number (38157888859).

Almost surely, 2^76315777717 is an apocalyptic number.

It is an amenable number.

76315777717 is a deficient number, since it is larger than the sum of its proper divisors (1).

76315777717 is an equidigital number, since it uses as much as digits as its factorization.

76315777717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10588410, while the sum is 58.

The spelling of 76315777717 in words is "seventy-six billion, three hundred fifteen million, seven hundred seventy-seven thousand, seven hundred seventeen".