77730074305759 has 2 divisors, whose sum is σ = 77730074305760. Its totient is φ = 77730074305758.

The previous prime is 77730074305643. The next prime is 77730074305813. The reversal of 77730074305759 is 95750347003777.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77730074305759 - 2²⁵ = 77730040751327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77730074305759.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77730074308759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38865037152879 + 38865037152880.

It is an arithmetic number, because the mean of its divisors is an integer number (38865037152880).

Almost surely, 2^{77730074305759} is an apocalyptic number.

77730074305759 is a deficient number, since it is larger than the sum of its proper divisors (1).

77730074305759 is an equidigital number, since it uses as much as digits as its factorization.

77730074305759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136136700, while the sum is 64.

The spelling of 77730074305759 in words is "seventy-seven trillion, seven hundred thirty billion, seventy-four million, three hundred five thousand, seven hundred fifty-nine".