77024545506413 has 2 divisors, whose sum is σ = 77024545506414. Its totient is φ = 77024545506412.

The previous prime is 77024545506317. The next prime is 77024545506421. The reversal of 77024545506413 is 31460554542077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69558218784649 + 7466326721764 = 8340157^2 + 2732458^2 .

It is a cyclic number.

It is not a de Polignac number, because 77024545506413 - 2¹⁶ = 77024545440877 is a prime.

It is a super-2 number, since 2×77024545506413² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77024545506113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38512272753206 + 38512272753207.

It is an arithmetic number, because the mean of its divisors is an integer number (38512272753207).

Almost surely, 2^{77024545506413} is an apocalyptic number.

It is an amenable number.

77024545506413 is a deficient number, since it is larger than the sum of its proper divisors (1).

77024545506413 is an equidigital number, since it uses as much as digits as its factorization.

77024545506413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112000, while the sum is 53.

The spelling of 77024545506413 in words is "seventy-seven trillion, twenty-four billion, five hundred forty-five million, five hundred six thousand, four hundred thirteen".