77030436017 has 2 divisors, whose sum is σ = 77030436018. Its totient is φ = 77030436016.

The previous prime is 77030436001. The next prime is 77030436047. The reversal of 77030436017 is 71063403077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48237776161 + 28792659856 = 219631^2 + 169684^2 .

It is a cyclic number.

It is not a de Polignac number, because 77030436017 - 2⁴ = 77030436001 is a prime.

It is not a weakly prime, because it can be changed into another prime (77030436047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38515218008 + 38515218009.

It is an arithmetic number, because the mean of its divisors is an integer number (38515218009).

Almost surely, 2^77030436017 is an apocalyptic number.

It is an amenable number.

77030436017 is a deficient number, since it is larger than the sum of its proper divisors (1).

77030436017 is an equidigital number, since it uses as much as digits as its factorization.

77030436017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 38.

The spelling of 77030436017 in words is "seventy-seven billion, thirty million, four hundred thirty-six thousand, seventeen".