77763466334387 has 2 divisors, whose sum is σ = 77763466334388. Its totient is φ = 77763466334386.

The previous prime is 77763466334357. The next prime is 77763466334399. The reversal of 77763466334387 is 78343366436777.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77763466334387 - 2⁴⁴ = 60171280289971 is a prime.

It is not a weakly prime, because it can be changed into another prime (77763466334357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38881733167193 + 38881733167194.

It is an arithmetic number, because the mean of its divisors is an integer number (38881733167194).

Almost surely, 2^{77763466334387} is an apocalyptic number.

77763466334387 is a deficient number, since it is larger than the sum of its proper divisors (1).

77763466334387 is an equidigital number, since it uses as much as digits as its factorization.

77763466334387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5377010688, while the sum is 74.

The spelling of 77763466334387 in words is "seventy-seven trillion, seven hundred sixty-three billion, four hundred sixty-six million, three hundred thirty-four thousand, three hundred eighty-seven".