77624712941 has 2 divisors, whose sum is σ = 77624712942. Its totient is φ = 77624712940.

The previous prime is 77624712929. The next prime is 77624712947. The reversal of 77624712941 is 14921742677.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61887010441 + 15737702500 = 248771^2 + 125450^2 .

It is a cyclic number.

It is not a de Polignac number, because 77624712941 - 2¹⁸ = 77624450797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77624712941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77624712947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38812356470 + 38812356471.

It is an arithmetic number, because the mean of its divisors is an integer number (38812356471).

Almost surely, 2^77624712941 is an apocalyptic number.

It is an amenable number.

77624712941 is a deficient number, since it is larger than the sum of its proper divisors (1).

77624712941 is an equidigital number, since it uses as much as digits as its factorization.

77624712941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 50.

The spelling of 77624712941 in words is "seventy-seven billion, six hundred twenty-four million, seven hundred twelve thousand, nine hundred forty-one".