77617119403171 has 2 divisors, whose sum is σ = 77617119403172. Its totient is φ = 77617119403170.

The previous prime is 77617119403169. The next prime is 77617119403181. The reversal of 77617119403171 is 17130491171677.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77617119403171 - 2¹ = 77617119403169 is a prime.

It is a super-2 number, since 2×77617119403171² (a number of 29 digits) contains 22 as substring.

Together with 77617119403169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (77617119403151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38808559701585 + 38808559701586.

It is an arithmetic number, because the mean of its divisors is an integer number (38808559701586).

Almost surely, 2^{77617119403171} is an apocalyptic number.

77617119403171 is a deficient number, since it is larger than the sum of its proper divisors (1).

77617119403171 is an equidigital number, since it uses as much as digits as its factorization.

77617119403171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555848, while the sum is 55.

The spelling of 77617119403171 in words is "seventy-seven trillion, six hundred seventeen billion, one hundred nineteen million, four hundred three thousand, one hundred seventy-one".