77830722041 has 2 divisors, whose sum is σ = 77830722042. Its totient is φ = 77830722040.

The previous prime is 77830722007. The next prime is 77830722061. The reversal of 77830722041 is 14022703877.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74903479225 + 2927242816 = 273685^2 + 54104^2 .

It is a cyclic number.

It is not a de Polignac number, because 77830722041 - 2²⁶ = 77763613177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 77830722041.

It is not a weakly prime, because it can be changed into another prime (77830722061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38915361020 + 38915361021.

It is an arithmetic number, because the mean of its divisors is an integer number (38915361021).

Almost surely, 2^77830722041 is an apocalyptic number.

It is an amenable number.

77830722041 is a deficient number, since it is larger than the sum of its proper divisors (1).

77830722041 is an equidigital number, since it uses as much as digits as its factorization.

77830722041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 41.

The spelling of 77830722041 in words is "seventy-seven billion, eight hundred thirty million, seven hundred twenty-two thousand, forty-one".